Flow -coat on the other hand will have wax added, I suspect this might be what you have, (Gel-coat = no wax. 0000003417 00000 n Failing to do so will result in the resin not hardening as it should. Go on line to gelcoat suppliers like Spectrum to confirm how many drops of mepk they recommend. Be sure to have a good strategy when applying your gelcoat. Use the spreader to add the . When working on the deck or cabin, tarp off the adjacent areas. Beside this,how many drops of hardener do i need for gelcoat? (16 oz. MEKP %. Boat, Sell A Anything below 60 degrees, and your gelcoat will not cure, but as you get warmer and warmer, your working time will decrease rapidly. (2% of MEKP for colder temperatures.) Poly products need to be sealed from air to fully cure. %PDF-1.4 % Measurements need to be exact so you can be confident the gelcoat is mixed properly before applying it to the surface. It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). But I believe it to be 12 drops of hardener per ounce of gelcoat. How Many Slices Is 1 Oz Of Pepperoni - WHYIENJOY Let's hope this works this time! 0000030992 00000 n When spraying to a radius, flow the gelcoat to the tape. Parts, Sacrificial Anodes & Measure ArtResin in precisely equal amounts by volume: Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly. Rails, Marine Tools & Tool . Use one or the other. Use these calculators and mix very small batches until you achieve the desired result. Registered User. The minimum recommendation from Dow is 1% MEKP to resin by weight, with a maximum of 2.5%. Turning brown or even worse your mixing jar catching on fire. AND have fun!! Generally, mix one-pint batches. Eric Boudreau 1 year ago Updated TotalBoat Polyester Laminating Resin requires the adding of MEKP catalyst at the ratio of 7-8 drops of MEKP per one ounce of resin at 77F (1 .0-2.2% MEKP based on the weight of the resin). <<2369ebe0f6fbc740aa2d803257e02535>]>> Thank you! Resin starts to cure but does not go all the way completely. 0000003263 00000 n 30 drops is approximately equal to one cc. Prepping the Surface: Remove rails, cleats, louvers, snaps, striping tape, etc. Deals, Dealer %PDF-1.4 % For spraying gelcoat our FGCI brand does not recommend thinning. PDF MEKP Ratio Chart Polyester Resin - Silpak It needs to be handled with care. Sanding between coats is not necessary unless a surfacing agent has been added to your gel coat. How? Once you mix and catalyze, you have about 15 minutes to apply the gelcoat before it starts getting hard or starts togel. The actual working time depends on the amount of catalyst and how hot the working conditions are. Deals, Paint & Maintenance Description. Gel coat is typically the first layer of a part to be applied. Mixing small batches of gelcoat | Sailing Anarchy Forums If it is in the 60's use 2.5 cc/ml or 50 drops for 2% MEKP. Financing, Iboats Mix thoroughly for at least one minute and apply immediately after. Easy! At 70 degrees, you get 15 minutes, but at 90 degrees, you only get 5 minutes. Grills, Boat Drink Below are some things to consider when trying to figure out how many drops of mekp is 1 oz of gelcoat. If applied onto a floor without the hardener, the resin would remain a near liquid indefinitely and could not transform into a durable flooring system. Deals, Electronics We encourage the use of Acetone, because it does not leave residue and evaporates easily. Below are some charts to help you figure out how much MEKP will be needed for the project. However, if you have opacity problems two coats may be necessary with a light sanding between coats. Accessories, Boat Lift Canopy When MEKP is mixed with polyester or vinylester resin, the resulting chemical reaction causes heat to build up and cure or harden the resin. Otherwise, one coat will do. 30 seconds, ensuring to scrape bottom and edges of the mixing container. The gelcoat set up what was left in the mixing tub before I threw it out. In this video I show you how to use some basic math to accurately measure the correct amount of MEKP for your polyester products. Use a gelcoat thickness gauge to ensure proper thickness is achieved. Gelcoat is significantly heavier than Resin because of the fillers and pigments added. 1 GALLON 2 OUNCES Transom It is mixed with a gel coat of one .. Gel Coat Repair Kit | Fiberglass Repair Kit, 3M Marine Adhesive/Sealant Fast Cure 4000UV, 3m Spray Adhesives, Cleaners, and Applicator Guns, MEKP > MEKP for gel coat > gel coat catalyst > gel coat hardener > hardener for gel coat > 132662 > 132661. Mekp to resin chart difference | Boat Design Net If the gelcoat is in good condition with no major cracking or crazing, the job is relatively straightforwardclean and prepare the surface, apply an epoxy primer, sand the primer, remove the sanding residue and then apply the topcoat. Use a measuring cup rather than a syringe as it can be shot into the container and bounce back into the eyes. Acessories, Fishing Outriggers & Bottom Paint Store Blog How to Articles. The normal ration of resin to catalyst is just over 1% but should not go over 2.5%. Okay, so how is this MEKP Catalyst Chart or these handy Calculators useful? Working time is about 5 to 15 minutes, . Add 14 drops of liquid hardener per 1 oz. Covers, Boat Wiring & Breakers, Power Packs & Jump Gel coat will not fully cure without adding a surfacing agent or over spraying with PVA. It is only when mixed with an epoxy hardener that they can cure properly. When mixing MEKP with resin, take care as a violent mixing action can splash it out of the mixing container. How much hardener is in a quart of resin? Following this, it should be wet sanded with 320, 400, and 600 wet grit paper, buffed, polished and waxed. Please follow the instructions located on the products page or the label. It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). Gel Coat Additives: You should also determine which additives you will use with your gelcoat application. Quantity of Wax Additive Required: 1 ounce: 20 drops: 16 oz. per Volume). 0000006855 00000 n You may purchase this item if you desire additional hardener. Holder, Anchor & Dock This is a simple, easy way to see the thickness of your gelcoat. Depending on the amount of resin needed, pour the appropriate ratios of polyester resin and MEKP into a heavy-duty plastic tub or bucket. Creating is very rewarding! You should mix about 4 oz and that will be 1.375 cc/ml. will cover 160 Sq. *ThisItemShips From Florida ;Click to See Estimated Transit Times. Looking for Feedback. Gelcoat Repair Part 2: Mixing and Application. Enjoy!!! Battery Charger, Marine Audio & endstream endobj 140 0 obj <>/Size 114/Type/XRef>>stream Galley, Barbeque The Fora platform includes forum software by XenForo. MEKP Chart and Calculators. Try for FREE! - Vernese Customs The ratio is on the hardener container. d23 ?P90. On: July 7, 2022 Asked by: Rusty Daugherty Advertisement Always use 2% catalyst in Gelcoats. For each teaspoon (1/6 oz) of blended gelcoat paste, add four drops of hardener. Bullet Skimmer, Paint and How Many Drops Of Mekp Is 1 Oz Of Gelcoat - WHYIENJOY The correct ratio is 11cc per 1/2 gallon. . Winches, Boat Motor Supports & your boats Gel Coat Match, Shop