how many drops of mekp is 1 oz of gelcoat?
When mixing small batches, catalyze with 12-18 drops hardener per ounce of gelcoat. Ideal range is 1.8% @ 77°F. Fiberglass Supply Catalyst Container, 300 Drops = 10cc. Resin is a thick fiberglass liquid that when mixed with 2 percent catalyst becomes a solid. 1. Manager at store told me to run 10-12 drops per oz of gelcoat I mix up. Polyester resin is the most commonly used type of resin and the cheapest. Thanks for the help. The Gelcoat Estimator already has the thickness built in (aprox. I always go way over the amount needed. In Critical applications MEKP should be measure by using CC’s or Fluid Ounces which are volume measurements. Burlington Washington, 98233 USAPhone; (509) 493-3464 Fax(360)757-8284 e-mail support@fiberglasssupply.com, Gelcoat 2007 Beavertail Opsrey - 2017 Suzuki DF60A. 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. 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. It can also vary depending on the equipment you are using, pressure pots have much more waste than the G-100 dump gun. ... 8 1/3 oz. laminating resin is between 1% and 2% i.e. 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. gcse.type = 'text/javascript'; 09-14-2015. 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. Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. This is about polyester gel with MEKP hardener. Suite 500, Troy, Michigan 48084 USA. 16 drops 24 drops 32 drops We are offering these as an aid to help determine the right size of gelcoat, high gloss addtive, and MEKP to purchase. Ideal for touching up scratched gelcoat. '//cse.google.com/cse.js?cx=' + cx; When we spray multiple molds we get better coverage because we are dividing the waste from one cup (we refill it) across multiple molds. When one of our customers has a problem with gelcoat not curing properly, it usually stems from one of the reasons below. MEKP 12oz. })(); Below are two gelcoat estimators for calculating the amount of gelcoat you will need. Epoxies are much simpler to get a good ratio by weight. A forum community dedicated to Small Skiff owners and enthusiasts. 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). Final-coat gelcoat for consistent, dependable results. Products Categories Manufacturers. Multiple coats may be required to obtain opacity, hide varies by color, Duratec High Gloss is mixed 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. Again I'm not a fan of "drops" because its super subjective. I don't know if age effects it or not. Page 6 Sales: 01209 821028 Page 7 Using the drop method, 4 drops are used. The calculator does not automatically update after you change the square footage, you must click the update button. 1.9cc 3.8cc By CC’s 2% 1 oz. 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. 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. MEKP Liquid Hardener is the catalyst used for vinylester and polyester resin to harden these resins. That's really hard to weigh! 3.5cc 7cc 4 oz. With the new ratio of .6 CC per oz of gelcoat everything took perfect. Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. That's the problem. CARBORUNDUM GRIT Spread onto wet gelcoat 1.6kg per m2. Let's hope this works this time! 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. 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. Get a proper measuring cup and syringe and use cc's or ml's for both. 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. Please keep in mind that these do not include wastage. Close Advanced Search. Bottle sizes: 4 oz. 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. Wastage will vary based on a number of factors, for example when we spray a single small mold (8 sq. Wastage will vary based on a number of factors, for example when we spray a single small mold (8 sq. Gelcoat can take as much a 2x the amount of MEKP as resin. When MEKP is mixed with polyester or vinylester resin, the resulting chemical reaction causes heat to build up and cure or harden the resin. 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 . 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. Gary Donovan . HInts: You are given 2 oz of MEKP with this gallon of brushable gelcoat. 'https:' : 'http:') + One of the most frustrating problems to deal with is a new application of gelcoat that refuses to harden and cure. To use the Top Coat calculator you must also enter your film thickness. var s = document.getElementsByTagName('script')[0]; 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. Outdoor Hub, LLC (d/b/a Carbon Media Group), 3290 W. Big Beaver Rd. I would forget the drops and using ounces. var gcse = document.createElement('script'); with Gelcoat at a 1:1 ratio, MEKP So bought a quart of MarPro gelcoat with wax with the MEKP hardener included. Estimator Provided by Fiberglass Supply, Top Coat Gelcoat Application Easy! This listing is for people who need MEKP and did not buy resin from FiberglassSite.com . This additive contains paraffin and styrene. POLYESTER RESIN/GELCOAT IS CATALYZED WITH MEKP (METHYL ETHYL KETONE PEROXIDE). ALL OF OUR RESINS AND GELCOAT COME WITH MEKP FREE OF CHARGE. JavaScript is disabled. Please keep in mind that these do not include wastage. var cx = '002343012554979518005:9atyqyt82f4'; For top coat applications, i.e. 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. 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. Come join the discussion about engines, modifications, classifieds, troubleshooting, fishing, boating, poles, maintenance, and more! with Duratec High Gloss Additive, Thickness in decimal inches (standard is 0.010 - 0.020 per coat), Notes: 0.023”), HomeProduct CatalogAbout Fiberglass SupplyNews and Events, Terms and ConditionsMSDSHow To and Tech HelpServices, Fiberglass Supply 11824 Water Tank Rd. I used acetone and sanded off the old gelcoat. However, HRD Minister Ramesh Pokhriyal is still to give a final word on the postponement of exams. Costing of Catalyst. 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. 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. Turning brown or even worse your mixing jar catching on fire. For polyester Gelcoats used in a moulding situation, we recommend from 2% to 2.5%catalyst. For use as a final coat over fiberglass layups or for repairs, this gelcoat cures to a hard, glossy surface. MEKP methyl ethyl ketone peroxide 12 ounces Good news! If you add too much then you risk it burning. The chart below indicates how much additive to add to wax-free gelcoat or polyester resin. For many “do-it-yourselfers,” applying gelcoat can be quite intimidating. volume based on 2% initiator level, actual level will vary with shop s.parentNode.insertBefore(gcse, s); (1) One Gallon Polyester Resin = 9.2 pounds (2) Specific Gravity MEKP = 1.13 (3) Drop from 1 oz. Ft. @ 10 Mils) This morning not even tacky and hard enough to sand already! 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. It not as simple as painting and can be somewhat difficult to work with. DIRECTIONS FOR POL YESTER HARDENER. The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. Quick delivery and a very competitive price . gcse.async = true; There is a calculator below for determining how much you’ll need. Contact Us. Sample MM2 scripts and configuration files are added to. For costing purposes 2.5% is the … ft) it takes almost the whole quart of gelcoat due to the amount of gelcoat that is stuck to the sides of the … gcse.src = (document.location.protocol == 'https:' ? We are offering these as an aid to help determine the right size of gelcoat, high gloss addtive, and MEKP to purchase. Polyester resin is not nearly as forgiving as epoxy so you really gotta be on the money with the mix. For example, four drops of hardener will be 1 percent of 1 ounce of resin. How do you know how many ml's per drops you are getting? The gelcoat set up what was left in the mixing tub before I threw it out. Search. 1 1/2 % ... Gelcoat Pigment | Epoxy Pigment. 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. When temperatures are above 85, regular ratios should be used.)
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