Terminals, Marine Fuse Blocks & Watch on. Intro How to properly measure MEKP for your polyester resin, gelcoat and more Hold Fast Marine -DIY tips and tricks- 4.68K subscribers Subscribe 289 10K views 1 year ago HOLD FAST MARINE Have. We all have a phone with a calculator so that makes this process even easier. Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. Duct tape off adjacent gunwale molding, and deck fittings you are unable to remove. Galley, Covers and Sparky568 Junior Member. Ounces (Volume Here is an Old School MEKP Chart for Download if you prefer. GPS Chartplotter and Fish Finder Combo, Find Darker colors need a little more catalyst for the same reaction, so you can catalyze up to 2%. Products, Carbon Monoxide & PDF Bondo fiberglass resin hardener ratio chart Bilge Pump, Tires, Rims, & Hub Mixing SMALL amounts of gel [Archive] - Scream And Fly Powerboat and 0000006580 00000 n This is eye needs cataract surgery; thought it would help - actually . Add 2% catalyst to your chosen quantity of gel coat, stir very thoroughly and note the time. Epoxy resins come in two seperate componants. Take steps to cover and protect the rest of the boat before starting. For spraying gelcoat our FGCI brand does not recommend thinning. All, Boat Bimini Mix small batches at a time since too much MEKP will result in the hardening of the gelcoat way too fast! Now, once again, I know that we have been using 0.75% for our recommended minimum, and that has been successful all these years. TIP: You can also use these to calculate the correct amount of Wax Additives or other surfacing agents like Patch-Aid (3-4%) or as recommended. There are 2 thinners that are recommended by the manufacturer when spraying gelcoat: Patch Booster, and Duratec. It needs to be handled with care. I liked using 19 drops per oz on my second try (more catalyst is specified when gel coat is mixed with wax . rQ{.Z7. i[wk. Smoke Gelcoat will not darken or change colors when it dries. . You want to use a buffer that turns 1600-3000 RPM. Specific gravity MEK peroxide 30 drops is approximately equal to one cc. 1 Oz is recommended for 1 Quart of Gel Coat or Resin. It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). How much does a gallon of polyester resin weight? Compound and polish with Aquabuff 2000 then happy a wax such as Collinite 925 UV for protection. The standard ratio is 1 oz. Webbing Solution is a clear liquid added to gel coat to obtain spatter or cobweb effects. xref But I believe it to be 12 drops of hardener per ounce of gelcoat. Forums, Find Racks, Fish Finders, Sounders Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. Mike, Your email address will not be published. Apply gel coat in 4-5 layers at approximately 5 mils each, allowing 15-20 minutes between layers for a total thickness of 20-25 mils. Tubes, Shop Ideal range is 1.8% @ 77F. Chart for poly resin cure times vs. temp vs. MEKP? Ft. @ 10 Mils), Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester Wells, Toilet & Waste Here is the formula written out, remember products OTHER than resin require almost double the amount of MEKP to catalyze gelcoat, repair putty or fairing compound, for all your boat repairs or boat builds.Ounces of resin, times the percentage required of mekp times 30 equals the cc's required. Acessories, Fishing Outriggers & 0000019960 00000 n We suggest 1-1/4% to 1-1/2% by volume, i.e. The amount of MEKp that you add to gelcoat and resin will vary with outside weather conditions. Polyester resins and gelcoats require the addition of MEKP (Methyl Ethyl Ketone Peroxide) catalyst to cure in a desired amount of time. I don't know if age effects it or not. Do the math, and that yields 0.96cc per 100g of resin for 1% and 2.4cc for 2.5%. Ventilation, Interior & Cabin Non-Laminating Finish Gel Coat | West Marine Oars, Wakeboard, Wakesurf & Gel Coat Application Guide - How to apply gelcoat correctly DO NOT WORK IN DIRECT SUNLIGHT -Choose a shady location or an overcast day. Approximately ten drops of MEKP to each 1/2oz. We suggest a thickness of 18-20 mils to properly cure. Stir well. How long do you wait between coats of gelcoat?

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