The little tubes of MEKP (Methyl Ethyl Ketone Peroxide) can be bought separately. CHEMICAL COMPATIBILITY CHART. They are the unseen enemy because they aren’t visible in the mould release, in the fabric or the resin system at atmospheric pressure and only show their presence when either vacuum, or heat, or both are applied. ex: 90 degrees and higher = 1% of mekp 70 degrees to 89 = 1. In addition, EPA Hazardous Waste Codes are also classified as acute and non-acute. The warmer the temperature the less MEKp you would to activate the. I have gallons of MEK ( without peroxide ) ,and wondered if I can use that let me know what you think. - No smoking. 0000000000000003e-4 1e-4. ˆï5”š¦;î™Éªu,¥œDMŽOÊÏýSb‰ Ê£•A2 m7)vS ¥•¼pl& ðÉ lA ÿeÁÆ P\ל"7"—ÄG{M•»¶3¡Ÿ/‹5 šed±ó ’Ùñ;×S[m™æF!•$™VÃÖ… ‰‡™1䙆%‚ |> ^¦«„ Ó ¯ÇDFN‘MJ‚G ß £’kÆ®²Ì¦. The links to these parts can be found in the "Alternate Items" tab. hardener (methyl ethyl ketone peroxide) and mold releaser/cleaner (Durawax®) were also procured from Polymer Products (Phil) Inc. Can be mixed with coloring agents made specifically for polyesters (sold separately) Catalyst: MEKP (methyl ethyl ketone peroxide), included; Colors: Available in Neutral and White. Although MEK and ERK in the MAPK module. Methyl Ethyl Ketone Peroxide CAS Nr. [email protected] MEKP-925 is a methyl ethyl ketone peroxide composition tormulated to be an excellent cure initiator tor both unsaturated polyester resins and vinyl ester resins. When hardener is mixed with product, a chemical reaction occurs to create a mixture that will deliver a strong, lasting repair. It's prepared from methyl ethyl ketone (MEK) and hydrogen peroxide. The information in this chart has been supplied to Cole-Parmer by other reputable sources and is to be used ONLY as a guide in selecting equipment for appropriate chemical compatibility. •Spill containment •Non-combustible cabinet. ID Number Chemical Name 4 CASRN Reference Date 1 TLV-TWA or STEL (ppm) 2 TLV Basis 3 * Inhalation Toxicology Databases in Mice for QSAR and Safe Levels of Exposure for Humans. The little tubes of MEKP (Methyl Ethyl Ketone Peroxide) can be bought separately. About DMA (N, N-Dimethylaniline) N, N-Dimethylanaline is also written as dimethylaniline and DMA. Methyl ethyl ketone Hydrogen peroxide MEKP (Methyl ethyl ketone peroxide; cyclic) Wavenumber / cm-1 4000 3500 3000 2500 2000 1500 1000 500 TNT (Trinitrotoluene) PETN (Pentaerythritol tetranitrate) RDX (cyclonite) HMX Light bulb Light is absorbed ATR Bands = light absorption Laser Light is scattered Bands = light scattered. is a part, is intended to give practicing engineers an understanding of composites technology in order that they may be able to effectively incorporate FRP, polymer concrete,. Initiators, commonly called catalysts, are used to produce the curing (molecular cross-linking) process with thermoset resins. WantaWhale. The MEKP bonds with the resin molecules and forms a hard polyester plastic. watchbands, belts). u waste codes: discarded commercial chemical products, off-specification species, container residues and spill residues thereof --toxic waste. Fluid Compatibility. Our customers from Germany, Switzerland and Austria as well as many other countries have been relying on RCT Reichelt Chemietechnik for more than 40 years. The data given should be used cautiously, and as a guide only. so its not me, and all they can do is give me another can from a new barrel in 2 days I will learn to keep my damn mouth shut next time, but I hate to say no to people that I know that really need help. Incompatibilities of concentrated nitric acid: Never mix concentrated nitric acid and organics, such as acetone, unless you are following a respectable procedure and use a blast shield and proper precautions. Professional grade V-MOD White Gel-coat. This document explains how to determine the hazardous waste codes for different types of waste. Methyl ethyl ketone | C4H8O | CID 6569 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities. MEK is a thinner, similar in use to acetone, but much more potent. It is used as a solvent and in making plastics, textiles, and paints. INTRODUCTION. Plot of conversion vs. This is the most-used type of resin and can be found online or at your local marine supply store. ∅ 08/16/04 Page 3 of 19 1. Revision 1 - Revision date 15-Jan-2012 Page 1 of 7 MEKP Catalyst SAFETY DATA SHEET MEKP Catalyst 1. METHYL ETHYL KETONE MEK CAUTIONARY RESPONSE INFORMATION Common Synonyms Liquid Colorless Sweet odor Floats and mixes with water. - No smoking. Can I use MEK instead of MEKP when using ploy-resin on stringers and transom I have a gallon of resin left that I want to use it. Actually, compared with most organics, MEK is one of the lesser hazardous ones. According to its material safety data sheet (MSDS), fiberglass is actually plastic wrapped in glass composed of plastic. Clear Catalyst Norox MEKP-925. Norox® MEKP-9 is highly refined and substantially free of water, hydrogen peroxide and methyl ethyl ketone. Ratings of chemical behavior listed in this chart apply to a 48-hr exposure period; Cole-Parmer has no knowledge of possible effects beyond this period. Fast acting MEKP formula designed for use in hardening fiberglass resin. In this video I show MEKP detonations. I often have a need to thin epoxy, and I've always used Xylene. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. PubMed:In-vivo nitrosation of amines in mice by inhaled nitrogen dioxide and inhibition of biosynthesis of N-nitrosamines. COMPATIBILITY CHEMICAL COMPATIBILITY Chemicial Compatibility Guide The following information is intended to be used as a general guideline for pump material selection. Three c olors to work with Multi-Tech advanced rigid Poly-Fillers. I purchased some laminating gel coat and PVA from West Marine last week, and sometimes the gel coat will cure and sometimes it wont. MEK will not work as a catalyst for resin. in polymer concrete has been varied from 20% to 60% in the polymer concrete formulation. Volume 3, Issue 2, August 2013 378 Catalyst (Methyl ethyl ketone peroxide, MEKP) Accelerator (Cobalt (II) naphthenate) sheets are added with the resin mixture. Methyl ethyl ketone inhibitor and azobisisobutyronitrile initiator. Your default description here. Plastic squeeze tube has graduated measure for mixing convenience. 1 N potassium permanganate VS. - No smoking. • Surface Primer can be applied by roller, brush or by spray. polyester resins. Liquid explosives can be artfully concealed in soft drink bottles, shampoo bottles, and other innocuous containers, making them easier to smuggle. This pathway has diverse effects which can regulate cell cycle progression, apoptosis or differentiation. Alumni Association Activities 95 7. The amount of MEKp that you add to gelcoat and resin will vary with outside weather conditions. It works, but it's a little hard to mix as it doesn't dissolve too easily. I plan to do more in the future with MEKP. 0359;[email protected]\_adfhknpsuw{}€‚„ˆŠŒ ‘•—™œž ¤¦¨«­±³µ. Methyl Ethyl Ketone (MEK) is ideal for automotive parts, marine and paint sundry departments Product thins fibreglass resins and cleans fibreglass repair tools Methyl Ethyl Ketone (MEK), 946-mL | Canadian Tire. The two components will react but at room temperature the reaction may take years and needs to be initiated by the addition of a catalyst (loosely referred to as a hardener) such as methyl ethyl ketone epoxide at about 0. This chart shows chemical resistance of our various topping materials (90 mils – 1⁄4"). This transformation is referred to as "curing" or "polymerization. The gelcoat set up what was left in the mixing tub before I threw it out. Gelcoat is mixed with MEKP (Methyl Ethyl Ketone Peroxide) catalyst. 0 80 62 6 Methyl Methacrylate C5H8O2. 75% Resin(1) Volume Drop cc oz Drop cc oz Drop cc oz Drop cc oz. REVERSOL P-9303 LV Reversol P-9303 LV is a flexible, low viscosity, promoted unsaturated polyester resin for room temperature cure. Methyl Ethyl / Ketone Peroxide / Succinic Acid / Peroxide 1 kg or 1 L 1 kg or 1 L AEP Immediate Class 6. 140) have been in effect since 1994. It provides excellent curing performance, and responds well to post-curing. • Surface Primer can be applied by roller, brush or by spray. atlac product guide. Hardening agent for use with all polyester resins and gel coats. These crystal formations are unstable, shock-sensitive explosives and should not be handled. I’ve been doing this most of my life and the one thing. It's slightly less sensitive to shock and temperature than TATP and more stable in storage. Strong interactions are found between the process variables. Methyl ethyl ketone | C4H8O | CID 6569 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities. Wall Thickness: Critical. Sebelumnya, pendapatan perusahaan asal Korea Selatan itu menurun akibat rendahnya permintaan atas cip dan layar perangkat elektronik. Clean surface with Sea Hawk Wax N Grease Killer. I used the other MEKP and it seemed to be working and got a tad bit on my skin and could feel it burning a little. Although Type 1 polypropylene conforming to ASTM D2146 is slightly lower in physical properties than PVC, it is chemically resistant to organic solvents as well as acids and alkalis. If any oxidizers are seen during a meth lab raid, the possibility that explosive materials are also being produced should be seriously considered. L-50 was cho-sen because it is an MEKP catalyst specifically designed to work well with vinyl ester resins. hexamethylene triperoxide diamine (HMTD)[2], and methyl ethyl ketone peroxides (MEKP)[3] (Fig. White, blue, and red BPO hardener for polyester. I suspect the "cobalt" was a redneck nickname for a more elaborate chemical name for that purple colored additive. CHEMICAL COMPATIBILITY CHART. On this page you will find: • General information on methyl ethyl ketone peroxides • Special protection information • Effects of exposure • First aid procedures • Spill or leak procedures • Fire extinguishing procedures • Storage and handling procedures About methyl ethyl ketone peroxide (MEKP) MEKP is a catalyst used in the composites industry. Most solutions consist of 55-60% dimethyl phtalate, 30-35 methyl ethyl ketone peroxide and <5% hydrogen peroxide. They are used for bonding rigid plastic sheet for general fabrication, advertis-ing display fixtures and similar items. As a medium activity hardener this is our most popular catalyst for GRP and can be added at 1-4% by weight (10-40g per kilo) or 8-36 ml per kilo. IDENTIFICATION Methyl Ethyl Ketone is a colorless liquid with a fragrant, mint-like odor. SURFACE PREPARATION. Use this rubber chemical resistance chart to make sure that the elastomer or O-ring seal you choose will be compatible with the particular environment. Effect of n-3 vs n-6 Fatty Acids and Methyl Ethyl Ketone Peroxide on Adipose Tissue Cellularity, Muscle Weight, and Lipoprotein Lipase Activity in Rats INTRODUCTION The protective role of n-3 polyunsaturated fatty acids (PUFA) in reducing cardiovascular disease has been shown through many epidemiological, biochemical and clinical studies. The function of the catalyst (usually methyl ethyl ketone and peroxide, or MEKP) is to destroy the inhibitor and reinitiate the curing process. Fabricator recommendation When the user, specifer or owner depends on the fabricator to make a recommendation for selection of the resin system, be certain the user states all. The following. Your resin will have instructions on how much catalyst to add. Recommendations herein are based on a variety of sources, including evaluations of actual field service performance, laboratory (ASTM C581) and field tests of FRP laminate construction, and the combined knowledge of an experienced staff. Mek Catalyst Chart. SAFETY DATA SHEET Methyl ethyl ketone (MEK) SDS conform REGULATION (EC) No 1907/2006 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH), Annex II - EU. How to Fiberglass. Various formulations of methyl ethyl ketone peroxide (MEKP) and benzoyl peroxide (BPO) are used across a wide range of room temperature curing molding applications. The highest tensile strength is. Methyl ethyl ketone peroxide (MEKP) is an organic peroxide. Non-sagging formula fills superficial scratches. Methyl ethyl ketone peroxide is a primary explosive, sensitive to shock and friction, though less so than TATP, with a detonation velocity of 5200 m/s. If any oxidizers are seen during a meth lab raid, the possibility that explosive materials are also being produced should be seriously considered. I have to say everything out there is NOT like Olaplex, they are NOT repairing broken disulfide bonds, all they are deep conditioner. Combining the names of functional groups with the names of the parent alkanes generates a powerful systematic nomenclature for naming organic compounds. Synonyms for MEK are 2-butanone, ethyl methyl ketone, and methyl acetone. Section 112(b)(1) includes an initial list of hazardous air pollutants that is composed of specific chemical compounds and compound classes to be used to identify source categories for which the EPA will promulgate emissions standards. kouseikyoku. MEKP is a watery, usually colourless liquid, which can be dispensed with an eye dropper. Product is sold by the gallon. With most unsaturated. It includes current SDS for each of the chemicals listed. styrene , methyl methacylate, vinyl toluene, diluents include toluene and ketones, catalysts include methyl ethyl ketone peroxide, benzoyl peroxide, and cumene hydroperoxide. Gelcoat is mixed with MEKP (Methyl Ethyl Ketone Peroxide) catalyst. Maybe even a 20ml explosion? Music by Kevin Mcleod MLG music by xX420VapegodFAYZE720Xx. Each brand will give their own ratios of resin to MEKP but it's typically about 8 drops per ounce of resin. Polypropylene — Satisfactory to 72° F. Muby Chemicals of Mubychem Group, established in 1976, is the original manufacturers of Specialty Chemicals, Pharmaceutical Excipient, Fragrance & Flavor chemicals, Shale Gas Fracturing Chemicals in India. Cyclin D-CDK4 phosphorylates. Aflatoxins are a group of heterocyclic metabolites synthesized predominantly by the fungi Aspergillus flavus Link and Aspergillus parasiticus Speare. It comes in a big metal can similar to paint thinner and has a small tube of catalyst which is used for hardening. The amount of MEKP (methyl ethyl keytone peroxide also known as jeux de sims France) has an influence on the strength of polyester resin. Variations. I have gallons of MEK ( without peroxide ) ,and wondered if I can use that let me know what you think. It comes in clear or red tinted and can be used as a fine-tuning for resin cure time with the adjustment of its percentage from 1. Note that this product will require MEKP in order to catalyze. Fiberglass resin jelly is a thick, viscous gel made available commercially by several different major manufacturers. Sigma-Aldrich offers a number of Methyl ethyl ketone products. In the process for polymerizing ethylenically unsaturated material selected from the group consisting of vinyl chloride and mixtures of vinyl chloride and copolymerizable monomer, said mixture containing greater than 50 mole percent vinyl chloride, in an aqueous or bulk polymerization medium, the improvement which comprises conducting said polymerization in the presence of an. It is used as a solvent and in making plastics, textiles, and paints. This transformation is referred to as "curing" or "polymerization. Re: Acetone vs. and it also says 'for thinning epoxies. I believe I had the MEKP right( 10 drops per ounce), and I waited a whole hour before spraying the PVA. It has a moderate exposure limit, is not carcinogenic, teratogenic, or mutagenic (doesn't cause cancer, birth defects in developing fetuses, or mutagenic effects in egg or sperm)--unless you live in the PROK (Peoples Republic of Kalifornia), where just about everything causes cancer, and those that don't probably. methyl ethyl ketone c methyl ethyl ketone peroxide n/a methyl isobutyl ketone n/a methyl isopropyl ketone n/a methyl methacrylate d methylamine d methylene chloride b mineral spirits a monochloroacetic acid d monoethanolamine d morpholine n/a motor oil b naphtha a1. Prices are predominantly for the spot market, though domestic and regional. 02 Commissioner. with methyl ethyl ketone peroxide (MEKP) to form fiberglass. It is a consolidation of the limits set out in the Table 1 in Regulation 833, also known as the ‘Ontario Table”, as well as applicable limits set out in the ACGIH publication, 2011 Threshold Limit Values and Biological Exposure Indices known as the “ACGIH Table” in Regulation 833. components of labelling: methyl ethyl ketone peroxide. Primary use is in paints as a solvent as it evaporates quickly. MEKP and MEK/AP analysis Immediately following MEKP or MEK/AP synthesis, material was pipetted into a tared vial and dissolved in MeOH to a volume of 50 mg/mL and 10 mg/mL, respectively. Call a Poison Centre or doctor if the victim feels unwell. Satisfactory to 72°F (22° C) 2. • One component - requires only the addition of standard MEKP (Methyl ethyl ketone peroxide) catalyst • 24-hour turnaround - fast build-up of the mould thickness is an advantage • Superior dimensional stability - high heat distortion temperature (HDT) allows better rigidity and tool life. Methyl Ethyl Ketone, or Butanone is a colorless solvent with with the formula CH3C(O)CH2CH3. Method Used For Fabrication of Composites Method used for fabrication of required composites is hand lay-up operation. The primary hazard associated with fiberglass is the chemicals used during the fabrication or lay up process. MEKP storage containers must be closed to prevent contamination, while rotating inventory using FIFO storing standards to use the oldest inventory first. Wholesaler of Methyl Ethyl Ketone Supplier in NCR - Cyclohexanone, Methyl Isobutly Ketone (MIBK), Acetone and Methyl Ethyl Ketone (MEK) offered by Rajiv Traders, New Delhi, Delhi. Gelcoat is a material made of polyester resin that is used on industrial pipes, pools, showers and boats. Initiator is the more correct term. On this page you will find: • General information on methyl ethyl ketone peroxides • Special protection information • Effects of exposure • First aid procedures • Spill or leak procedures • Fire extinguishing procedures • Storage and handling procedures About methyl ethyl ketone peroxide (MEKP) MEKP is a catalyst used in the composites industry. Recommendations herein are based on a variety of sources, including evaluations of actual field service performance, laboratory (ASTM C581) and field tests of FRP laminate construction, and the combined knowledge of an experienced staff. ID Number Chemical Name 4 CASRN Reference Date 1 TLV-TWA or STEL (ppm) 2 TLV Basis 3 * Inhalation Toxicology Databases in Mice for QSAR and Safe Levels of Exposure for Humans. does it clean as well?. Details about NOROX®MEKP-925H FRED, chemical name Methyl ethyl ketone peroxide, CAS number 1338-23-4, available from United Initiators. Today at the Borg I happened to read the label on a can of M. MEKP is added. It's not yet banned in California, but I'm sure it will beit will dissolve grease, uncured resin, paint. MEKP standard solutions were tested for interference with acetone, methyl ethyl ketone, cyclohexanone, and 3-methyl-2-butanone. Chemical structure HOO C C2H5 CH3 OO C C2H5 CH3 OOH HOO C C2H5 CH3 OOH HOOH Typical properties. 140) have been in effect since 1994. As the catalyst mixes with the resin, a chemical reaction occurs, creating heat, which cures or hardens the resin. Multiple types (Ortho- vs Iso-) Thermal (peroxide), Redox (MEKP), or UV (Irgacure) radical cure Good water performance Safety Issues: o Diluted 30-60% in reactive solvent (styrene) o Some initiators are explosive o Can be composed of Phthalates More expensive than UPR Better performance than UPR Thermal (peroxide), Redox. Maybe in my reading i just took the MEK as MeKP thinking it was the same. 6 and 7, catalyst. Scientists refer to the ratio of the speed of light in a vacuum, which is constant, to the speed of light in the medium as the refractive index. Ponzi April 2, 2008 @ 1:21 p. It is an oily liquid at room temperature. If you would like to order the kit which includes the MEKP catalyst, please use part number 01-01109 (Qt Kit) or 01-07355 (Gal Kit). Control of shrinkage and residual styrene of unsaturated polyester resins cured at low temperatures: I. Catalyst Chart for polyester resin, gel coat and vinyl ester marine resins. Buna-N — Satisfactory for. Research & Development 73 6. White, blue, and red BPO hardener for polyester. View information & documentation regarding Methyl ethyl ketone, including CAS, MSDS & more. The tube of hardener typically contains benzoyl peroxide or methyl ethyl ketone peroxide. Chemically, organic peroxides are compounds characterized by the pres-. Typically you will add an ounce of the catalyst to every gallon of polyester resin. The resin is unsaturated polyester, using methyl ethyl ketone peroxide (MEKP) as catalyst, cobalt solution for example cobalt octoate (Coct) as an accelerator. and it also says 'for thinning epoxies. Hello, I wanted to know the difference between maitaining condition records in ME11 and MEK1 ? can MEK1 be restricted and users be allowed to update condition records through ME11 only ?. Luperox® DHD-9 Another faster form of phthalatefree MEK peroxide characterized by outstanding performance in certain vinyl ester and isophthalic resins. DMA can be used on its own with benzoyl peroxide (BPO) type catalysts or in combination with cobalt 6% promoters with methyl ethyl ketone (MEKP) type catalysts. and I call the marina and they said it was a new barrel of resin and there guys are having the same issue. Darker colors require a bit more catalyst for the same reaction, so you can catalyze up to 2%. * Methyl Ethyl Ketone is a FLAMMABLE LIQUID and a FIRE HAZARD. Details about NOROX®MCP-75, chemical name Methyl ethyl ketone peroxide/Cumyl hydroperoxide, CAS number 1338-23-4, available from United Initiators. Although most of the MEK in the environment is synthetically produced, some natural sources exist including some. Substances used are generally organic peroxides such as benzoyl peroxide or methyl ethyl ketone peroxide. Hazardous waste generators need to know which waste codes apply to their hazardous waste in order to properly manage that waste. PubMed:Vitamin E protects against methyl ethyl ketone peroxide-induced peroxidative damage to rat brain DNA. Methyl Ethyl Ketone (MEK) is ideal for automotive parts, marine and paint sundry departments Product thins fibreglass resins and cleans fibreglass repair tools Methyl Ethyl Ketone (MEK), 946-mL | Canadian Tire. Firstly, it is necessary to determine the thermodynamic and kinetic parameters of the individual reaction, including the decompositions of H 2 O 2 and MEKP, and the MEK–oxidation reaction itself, using experimental data of the individual. 4 parts per million (ppm), with an acetone-like odor reported. The Methyl ethyl ketone (MEK) markets are covered by ICIS on a weekly basis in Asia, Europe and the US. , Sea Hawk Patch Aid 8185: or colorants (tints) prior to catalyzing with MEKP Catalyzer. Here is the rubber compatibility chart that rates all popular rubber materials that comes into contact with various chemicals. Methyl ethyl ketone peroxide (MEKP) is an organic peroxide. On this page you will find: • General information on methyl ethyl ketone peroxides • Special protection information • Effects of exposure • First aid procedures • Spill or leak procedures • Fire extinguishing procedures • Storage and handling procedures About methyl ethyl ketone peroxide (MEKP) MEKP is a catalyst used in the composites industry. Organic Peroxide Basics An organic peroxide is any organic chemical that contains aoxygen-oxygen (-O-O-) bond (peroxy n functional group). Methyl ethyl ketone is a colorless volatile liquid that is soluble in water. Good news is that it is simple to store and mix mechanically, but water resistance is impaired a bit. Under the model WHS Regulations, businesses using hazardous chemicals must prepare a register and keep it up-to-date so workers can easily find information about chemicals stored, handled or used at the workplace. It's perfect for low-cost repairs and new construction parts. chlorinated hydrocarbons, methyl ethyl ketone and toluene. Methyl ethyl ketone is a clear, colorless fluid that is less viscous than water and has a somewhat sharp, sweet odor characteristic of most ketones, with some describing it as similar to butterscotch. 2% to 3% will give you the proper cure rate. 105ÿû Info ÛÔ fèÐ !$&),. Professional grade CLEAR marine Gel-coat. OSHA’s New 1% Test for PSM Posted on September 9th, 2016 by Mike Schmidt in Chemical Manufacturing Excellence “OSHA requirements are set by statute, standards and regulations. : 1338-23-4 EINECS: 215-661-2 LUPEROX ® K1 S is Methyl Ethyl Ketone Peroxide used for the cure of unsaturated polyester resins at room temperatures in combination with a cobalt accelerator like LUPERFAST™ CO 1G. Case Study on evaluating the compressive strength of polyester polymer cylindrical concrete For Construction Materials and Testing. The MEKP bonds with the resin molecules and forms a hard polyester plastic. Revision 1 - Revision date 15-Jan-2012 Page 1 of 7 MEKP Catalyst SAFETY DATA SHEET MEKP Catalyst 1. Pure MEKP is shock sensitive. Can be mixed with coloring agents made specifically for polyesters (sold separately) Catalyst: MEKP (methyl ethyl ketone peroxide), included; Colors: Available in Neutral and White. I often have a need to thin epoxy, and I've always used Xylene. By continuing to browse this site you are agreeing to our use of cookies. , vitamin E and GSH content, in heart and liver tissues of rats. We have thousands of active customers and a 98% on-time delivery record. Darker colors require a bit more catalyst for the same reaction, so you can catalyze up to 2%. MEKP is only available commercially in solution as polymer catalyst. This is beneficial because wax can taint the bond of a resin to the substrate. This website uses cookies so that we can provide you with the best user experience possible. The amount is very small. Ribeiro, C. MEK is a thinner, similar in use to acetone, but much more potent. Pour fiberglass resin into a wax cup and add its catalyst: MEKP (methyl ethyl ketone peroxide) will make you blind if it gets in your eyes, it'll burn your skin, and it's somewhat explosive so handle with care. The Faculty 42 4. You'll need to buy a container of MEKP separately if it doesn't come with your gelcoat. The SAP Support Portal is SAP's award winning customer-facing website, which provides access to support tools, services and applications, as well as related documentation and community content. Explosive decomposition occurs at 230° F. MEKP is the hardener for polyester resin. Chemical compatibility The following information is intended to be used as a general guideline for dispensing system configuration. A hazardous chemicals register is a list of hazardous chemicals at a workplace. Cobalt is produced from a blend of synthetic acids assuring product stability and uniformity. Follow these bridal makeup tips and make your wedding occasion more beautiful. (2)(a) and 405. INTRODUCTION. It is completely miscible with many organic liquids, but miscible with water to only a limited extent. The following table gives recommended materials for chemically-resistant gloves for work involving a variety of chemicals. MEKP is added. Most high quality marine gel coats use. industrialspe Key to General Chemical Resistance [all data based on 72 ° (22 °C) ] A = Excellent C = Fair - Moderate Effect, not recommended B= Good - Minor Effect, slight corrosion or discoloration D = Severe Effect, not recommended for ANY use. Very good stability - No change in reactivity during storage. Fiberglass Resin Liquid Hardener - Use as a bonding agent- quickly and easily create a bond between multiple surfaces. OSHA's personal protective equipment (PPE) standards for general industry (29 CFR 1910. Klean-Strip® Methyl Ethyl Ketone Substitute. Wholesaler of Methyl Ethyl Ketone Supplier in NCR - Cyclohexanone, Methyl Isobutly Ketone (MIBK), Acetone and Methyl Ethyl Ketone (MEK) offered by Rajiv Traders, New Delhi, Delhi. Polyester Polymer Concrete - Free download as Powerpoint Presentation (. Plot of conversion vs. It stands for Methyl Ethyl Ketone Peroxide. General description 2-Butanone (Methyl ethyl ketone, MEK), an aliphatic ketone, is considered as aprotic and protophilic solvent. Chemical Resistance Guide Legend (A) = Satisfactory (B) = Slight Attack (C/NR) = Not Recommended (~) = No Data (1) = Good to 72 °F, 22 °C (2) = Good to 120 °F, 48°C 316 SS PPS Hastelloy-C Titanium Alloy 20 Waukesha 88 PPS SSM PEEK PTFE LCP Carbon Viton PTFE Buna-N EPDM Neoprene Silicone Rubber Kal-Rez Ceramic Magnet Chemicals Body Gears and. Three c olors to work with Multi-Tech advanced rigid Poly-Fillers. Can be mixed with coloring agents made specifically for polyesters (sold separately) Catalyst: MEKP (methyl ethyl ketone peroxide), included; Colors: Available in Neutral and White. Chemical structure HOO C C2H5 CH3 OO C C2H5 CH3 OOH HOO C C2H5 CH3 OOH HOOH Typical properties. edu 1 All You Need to Know to be Safe in the Laboratory are Found in the Following Three Hazard Control Areas. Video on proper handling of MEKP. Specifications for Advanced-Glass Swimming Pool Fiberglass Application Used and adapted by permission of Kent Williams Consulting These specifications are for planning purposes only. The resin is unsaturated polyester, using methyl ethyl ketone peroxide (MEKP) as catalyst, cobalt solution for example cobalt octoate (Coct) as an accelerator. Cobalt is produced from a blend of synthetic acids assuring product stability and uniformity. Methyl ethyl ketone (also known as MEK, butanone, 2-butanone, butan-2-one, oxobutane, or methyl acetone) is a clear volatile liquid that is soluble in water and has a mild, acetone odour. I used the other MEKP and it seemed to be working and got a tad bit on my skin and could feel it burning a little. Methyl Ethyl Ketone Peroxide (MEKP) (C8H18O6), cobalt 6 % naphthenate (CoNap) (C20H34CoO4) and N–N dimethyl aniline (C8H11N) were used as an accelerator, catalyst, and promoter, respectively. MEK is methyl ethyl ketone. Methyl Ethyl Ketone: Health Information Summary Methyl ethyl ketone (MEK), also known as 2-butanone, is a clear liquid with the odor of mint. Polyester is a three component finish: the resin, the promoter (cobalt) and the catalyst (methyl ethyl ketone peroxide, or MEKP). Although most of the MEK in the environment is synthetically produced, some natural sources exist including some. The framework for hazardous waste regulation was established in 1976 by the Federal. As the catalyst mixes with the resin, a chemical reaction occurs, creating heat, which cures or hardens the resin. Methyl ethyl ketone | C4H8O | CID 6569 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities. COMPATIBILITY CHEMICAL COMPATIBILITY Chemicial Compatibility Guide The following information is intended to be used as a general guideline for pump material selection. Radioactive Hazards. are reduced by several orders of magnitude for viscosities encountered during the curing of the waste-in-resin emulsion. Also, when using polyester, the methyl ethyl ketone peroxide used as a catalyst is really really toxic—worse than the styrene monomer in the resin itself. u waste codes: discarded commercial chemical products, off-specification species, container residues and spill residues thereof --toxic waste. RB is a tumor suppressor: prevents the replication of damaged DNA. Details matter. Inhibitors and Retarders to suppress polymerization in order to. vs stest by epa source test witnessed by epa bx fce-onsite-epa full compliance evaluation by epa by fce-offsite-epa full compliance evaluation offsite by epa epa investigati epa inv. Gelcoats typically contain additives and pigments for protection against harmful. Read "Structure–property relationships in cross-linked polyester–clay nanocomposites, Polymer" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. These ratings are based on temperatures being ambient. The resin is unsaturated polyester, using methyl ethyl ketone peroxide (MEKP) as catalyst, cobalt solution for example cobalt octoate (Coct) as an accelerator. If you have any questions about the compatibility of these chemicals with Perfluoroelastomer, Viton® ETP, Aflas® TFE/P, Viton® FKM, EPDM P. in polymer concrete has been varied from 20% to 60% in the polymer concrete formulation. MEKP is a colorless, oily liquid whereas acetone peroxide is a white powder at STP; MEKP is slightly less sensitive to shock and temperature, and more stable in storage. It’s prepared from methyl ethyl ketone (MEK) and hydrogen peroxide. The Catalyst for Polyester Resin is (MEKP) Methyl Ethyl Ketone Peroxide. Acetone Silica paste B. With such a minimal amount, the gel time would more than an hour, and the foam would absorb large amounts of resin making it extra heavy. Initially the catalyst is added and then the accelerator. Catalyst M, which is methyl ethyl ketone peroxide (MEKP), was used as initiator in the curing of polyester, at a concentration of 1. Chemical Compatibility for EPDM Seals and Gaskets for Plastic Pipe Systems Note that the effect of any chemical on EPDM may be dependent on factors such as temperature, pressure, concentrations, abrasiveness etc. The Methyl ethyl ketone (MEK) markets are covered by ICIS on a weekly basis in Asia, Europe and the US. Klean-Strip® Methyl Ethyl Ketone Substitute. Fabrication of composites. Your default description here. Methyl Ethyl Ketone, Purified, also known as Butanone is a colorless and liquid organic compound that has a sweet, sharp odor similar to acetone. Read "Structure–property relationships in cross-linked polyester–clay nanocomposites, Polymer" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. This website uses cookies so that we can provide you with the best user experience possible. PRODUCT AND COMPANY IDENTIFICATION Product name: HI-POINT® 90 (TAP MEKP Catalyst) Chemical name: Methyl ethyl ketone peroxides Supplier: Crompton Corporation One American Lane Greenwich, CT 06831-2559, USA. Can be mixed with coloring agents made specifically for polyesters (sold separately) Catalyst: MEKP (methyl ethyl ketone peroxide), included; Colors: Available in Neutral and White. Methyl ethyl ketone peroxide (MEKP) is an organic peroxide, a high explosive similar to acetone peroxide. Commercially available Minola® Premium Lauric Oil is used as treatment. They are both fairly nasty stuff and I avoid them if at all possible. - No smoking. This product is a colorless, oily liquid also slightly less sensitive to shock and temperature, and more stable in storage. In our online shop, you can order laboratory supplies without a minimum order value. Use this rubber chemical resistance chart to make sure that the elastomer or O-ring seal you choose will be compatible with the particular environment. The hardener used with polyester resin is also called a catalyst. Depending on the experimental conditions. does it clean as well?. Η αύξηση των αρωματικών μερών των πολυεστέρων αυξάνει τη θερμοκρασία υαλώδους μετάπτωσης, τη θερμοκρασία τήξης, τη θερμική σταθερότητα (thermal stability), τη χημική σταθερότητα. Ferreira Instituto de Engenharia Mecânica e Gestão Industrial Faculdade de Engenharia da Universidade do Porto Rua do Barroco, 174-214 4465-591 Leça do Balio Abstract The aim of this work is to analyse the chemical. We have thousands of active customers and a 98% on-time delivery record. com fax303-322-7242 [email protected] Catalyst Chart Volume of Catalyst to Be Used with Polyester Resins Methyl Ethyl Ketone Peroxide-Percent by Weight 1% 1. Heat of dilution was generated by the mixing of waste acids, and it reached a high temperature. eg Methyl Ethyl Ketone Peroxide. Vapors can. Each mL of 0. Methyl ethyl ketone peroxide (MEKP) is an organic peroxide formed by reaction of methyl ethyl ketone (MEK) with hydrogen peroxide. MEKP is only available commercially in solution as polymer catalyst. Therefore there is one carbon on one side of the C=O (the methyl group) and there are two carbons on the other side (the ethyl group). This pathway has diverse effects which can regulate cell cycle progression, apoptosis or differentiation. MEKp MEK deg deg deg deg deg deg deg deg P21 deg deg INK4A S Phase RB-E2F pathway Regulates the G1-S phase transition in the cell cycle.