NOTE: Using drops for catalyst is only an estimate. For a better experience, please enable JavaScript in your browser before proceeding. Depending on the orifice size of the bottle your using 10 drops could equal .5cc, 1cc, 1.5cc..... using a $0.89 syringe is cheap insurance to me. Mekp is too hard to measure by drops to me, so I use a syringe and do it by ml instead. Estimating quantities is very simple using ... 1ml = 0.0352 fl .oz 1L = 1.76pints Area Square Foot (sq.ft) Square Metre (M2) 1 sq.yd = 0.929m2 1M2 = 1.1960 sq.yds RESIN WEIGHT. 1. MEKP methyl ethyl ketone peroxide 12 ounces laminating resin is between 1% and 2% i.e. To use the calculator enter the square feet that you need to cover, then click the update button to get the quantities you’ll need. 'https:' : 'http:') + Gelcoat can take as much a 2x the amount of MEKP as resin. If you are in cooler weather and want to be on the higher end of the limit you should purchase an additional 2 oz MEKP as an options when buying the Gallon of Gelcoat. The calculator does not automatically update after you change the square footage, you must click the update button. })(); Below are two gelcoat estimators for calculating the amount of gelcoat you will need. For just $135,000 per 1/10th share, Sailing La Vagabonde Syndicate owners will enjoy more than a month a year onboard their new Outremer 45 that will be based in Manly, Brisbane with plans to cruise the East Coast of Australia and the islands of the South Pacific. This is about polyester gel with MEKP hardener. Use at least 1.92 ounces as bare minimum of 1.5%, and use up to 3.2 ounces to not exceed the maximum of 2.5%. The gelcoat set up what was left in the mixing tub before I threw it out. I would forget the drops and using ounces. Ideal range is 1.8% @ 77°F. Manager at store told me to run 10-12 drops per oz of gelcoat I mix up. Good news! If you add too much then you risk it burning. Directions for Using Wax Additive. To use the Top Coat calculator you must also enter your film thickness. The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. HInts: You are given 2 oz of MEKP with this gallon of brushable gelcoat. This time element is dependent on material temperature, room temperature, humidity, air movement, and catalyst concentration. '//cse.google.com/cse.js?cx=' + cx; Shop online or request a free catalog. 1% for summer (to give maximum wetting time) and 2% for winter. 09-14-2015. 1 fluid Oz equals about 30ml if memory serves, so if you want 2% you would need 0.6ml of MEKP per oz of gel. MEKP Liquid Hardener is the catalyst used for vinylester and polyester resin to harden these resins. For example, four drops of hardener will be 1 percent of 1 ounce of resin. That's the problem. MEKP Ratio Chart Polyester Resin Polyester resin cures by an exothermic (heat) reaction created by promoters (cobalt & amine) and activator Methyl Ethel Ketone Peroxide (MEKP). Polyester resin is not nearly as forgiving as epoxy so you really gotta be on the money with the mix. var cx = '002343012554979518005:9atyqyt82f4'; 2007 Beavertail Opsrey - 2017 Suzuki DF60A. conditions. Please keep in mind that these do not include wastage. 0.023”), HomeProduct CatalogAbout Fiberglass SupplyNews and Events, Terms and ConditionsMSDSHow To and Tech HelpServices, Fiberglass Supply   11824 Water Tank Rd. UV inhibitor is added to increase weathering stability. ALL OF OUR RESINS AND GELCOAT COME WITH MEKP FREE OF CHARGE. Please keep in mind that these do not include wastage. (function() { Easy! Resin is a thick fiberglass liquid that when mixed with 2 percent catalyst becomes a solid. Come join the discussion about engines, modifications, classifieds, troubleshooting, fishing, boating, poles, maintenance, and more! I don't know if age effects it or not. Gary Donovan . Products Categories Manufacturers. Gel time at 1.8% MEKP is 10-17 minutes. It not as simple as painting and can be somewhat difficult to work with. If this is true which seems to be the issue I would be almost at half as much as I need being I put 11 drops per ounce of gelcoat versus 18-19 drops. with Gelcoat at a 1:1 ratio, MEKP Costing of Catalyst. Spread the mixture over the damaged area with a flat stick, making sure … I always go way over the amount needed. volume based on 2% initiator level, actual level will vary with shop When mixing small batches, catalyze with 12-18 drops hardener per ounce of gelcoat. 1.9cc 3.8cc By CC’s 2% 1 oz. Wastage will vary based on a number of factors, for example when we spray a single small mold (8 sq. For costing purposes 2.5% is the … The chart below indicates how much additive to add to wax-free gelcoat or polyester resin. Bottle sizes: 4 oz. ft) it takes almost the whole quart of gelcoat due to the amount of gelcoat that is stuck to the sides of the … This additive contains paraffin and styrene. Contact Us. with Duratec High Gloss Additive, Thickness in decimal inches DIRECTIONS FOR POL YESTER HARDENER. Polyester requires a 1-2% hardener ratio depending on temperature, so mixing 10 grams of gel at 1.5% means you have to measure 0.15 grams of MEKP. It can also vary depending on the equipment you are using, pressure pots have much more waste than the G-100 dump gun. You can use more or less catalyst to change the amount of time it takes to harden but don't use much less than 2 percent. Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. Thanks for the help. (1) One Gallon Polyester Resin = 9.2 pounds (2) Specific Gravity MEKP = 1.13 (3) Drop from 1 oz. Resin, Gelcoat, Poolcoat and Flowcoat are some of the polyester resin products that use a minimum quantity of 1% catalyst (MEKP-NA2) and a maximum quantity of 3% catalyst (MEKP-NA2). This 2% ratio equates to about .625 CC per ounce of gelcoat. Using the drop method, 4 drops are used. CARBORUNDUM GRIT Spread onto wet gelcoat 1.6kg per m2. The reaction of polyester will occur at the thickest cross section sending out a wave of heat, which cures resin to a solid glass-like hardness. Specific gravity MEK peroxide = 1.17 polyester resin= 1.09 gelcoat = 1.3 Equivalent Measures Chart (Example - 1 Gallon = 231 Cubic Inches and will cover 160 Sq. Estimator Provided by Fiberglass Supply, Top Coat Gelcoat Application When one of our customers has a problem with gelcoat not curing properly, it usually stems from one of the reasons below. MEKP 12oz. For use as a final coat over fiberglass layups or for repairs, this gelcoat cures to a hard, glossy surface. Suite 500, Troy, Michigan 48084 USA. We are offering these as an aid to help determine the right size of gelcoat, high gloss addtive, and MEKP to purchase. For top coat applications, i.e. Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. That's really hard to weigh! Catalyzing Gelcoat with MEKP: The catalyst level (MEKP) should not exceed 3.0% or fall below 1.2 for proper cure. So bought a quart of MarPro gelcoat with wax with the MEKP hardener included. This morning not even tacky and hard enough to sand already! Burlington Washington, 98233 USAPhone; (509) 493-3464 Fax(360)757-8284 e-mail support@fiberglasssupply.com, Gelcoat Ideal for touching up scratched gelcoat. For many “do-it-yourselfers,” applying gelcoat can be quite intimidating. Final-coat gelcoat for consistent, dependable results. var s = document.getElementsByTagName('script')[0]; MEKP 9 VOLUME / 2.5cc / 1.2cc / .6cc / .3cc / 2 drops / 1 drop The gel coat/catalyst mixture will not change in appearance or viscosity for nearly 10 minutes, but hardens in 20. Sample MM2 scripts and configuration files are added to. 16 drops 24 drops 32 drops ft) it takes almost the whole quart of gelcoat due to the amount of gelcoat that is stuck to the sides of the spray cup. Man I hope its working. When temperatures are above 85, regular ratios should be used.) CATALYST (MEKP) RATIOS FOR GELCOAT & RESINS: Quantity Recommended Optimum Ratio's by CC’s @ 1.5% 75ºF Maximum Ratio's “May Effect Color" by CC’s @ 3% Gallon 64.5cc 129cc Quart 15cc 30cc Pint 7.5cc 15cc 8 oz. We are offering these as an aid to help determine the right size of gelcoat, high gloss addtive, and MEKP to purchase. Fiberglass Supply Catalyst Container, 300 Drops = 10cc. When we spray multiple molds we get better coverage because we are dividing the waste from one cup (we refill it) across multiple molds. Methyl ethyl ketone peroxide (MEKP) is an organic peroxide used in the marine industry. There is a calculator below for determining how much you’ll need. JavaScript is disabled. Page 6 Sales: 01209 821028 Page 7 Well it was not cured this morning after applying it last night which is either one of two things old hardener that came with the gelcoat or not enough hardener. Search. Epoxies are much simpler to get a good ratio by weight. For polyester Gelcoats used in a moulding situation, we recommend from 2% to 2.5%catalyst. The reason for this is that if the gelcoat is under cured, the backup laminating resin will bite into the gelcoat and cause wrinkling or puckering. repair, or finish coating, we strongly recommend using Duratec High Gloss Additive to thin the gelcoat and allow it to flow and cure like a paint. When adding it to gelcoat, you must also add the MEKP (methyl ethyl ketone peroxide) hardener. One of the most frustrating problems to deal with is a new application of gelcoat that refuses to harden and cure. 1-772-464-0808. Outdoor Hub, LLC (d/b/a Carbon Media Group), 3290 W. Big Beaver Rd. gcse.type = 'text/javascript'; Mixed 3 new ounces of gelcoat and put between 1.8-1.9 cc's (0.625 cc's per oz) of MEKP in the mix for two minutes. 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. In Critical applications MEKP should be measure by using CC’s or Fluid Ounces which are volume measurements. AMOUNT OF RESIN OR GELCOA T HARDENER AMOUNT 1 OUNCE 10 DROPS (Colored GELCOATS can 1 PINT (16OZ) 1/8 OUNCE amount of hardener shown. ... 8 1/3 oz. s.parentNode.insertBefore(gcse, s); Get a proper measuring cup and syringe and use cc's or ml's for both. I used acetone and sanded off the old gelcoat. The Gelcoat Estimator already has the thickness built in (aprox. Multiple coats may be required to obtain opacity, hide varies by color, Duratec High Gloss is mixed This listing is for people who need MEKP and did not buy resin from FiberglassSite.com . Let's hope this works this time! IF YOU BUY RESIN OR GELCOAT THERE IS NO NEED TO BUY THIS PRODUCT MEKP, IT IS INCLUDED FREE OF CHARGE WITH OUR RESIN AND GELCOAT . POLYESTER RESIN/GELCOAT IS CATALYZED WITH MEKP (METHYL ETHYL KETONE PEROXIDE). Quick delivery and a very competitive price . How do you know how many ml's per drops you are getting? var gcse = document.createElement('script'); However, HRD Minister Ramesh Pokhriyal is still to give a final word on the postponement of exams. Turning brown or even worse your mixing jar catching on fire. Again I'm not a fan of "drops" because its super subjective. When MEKP is mixed with polyester or vinylester resin, the resulting chemical reaction causes heat to build up and cure or harden the resin. Wastage will vary based on a number of factors, for example when we spray a single small mold (8 sq. 1 1/2 % ... Gelcoat Pigment | Epoxy Pigment. Close Advanced Search. the colder the tempature is the more % of mekp you will need,I always use the chart of the CC wich is much easier and accurate.its the same as a babies medicine spoon. gcse.async = true; With the new ratio of .6 CC per oz of gelcoat everything took perfect. Ft. @ 10 Mils) Polyester resin is the most commonly used type of resin and the cheapest. A forum community dedicated to Small Skiff owners and enthusiasts. (standard is 0.010 - 0.020 per coat), Notes: If one CC is roughly 30 drops as stated below that would put me at roughly 18.75 drops of MEKP per ounce of gelcoat. gcse.src = (document.location.protocol == 'https:' ? 3.5cc 7cc 4 oz.