(#69-A) unit can be shipped via standard ground service without hazard charges within the 48 contiguous United States. of Catalysts to be Used with Polyester Resins MEKP - Number of oz. For most work, a 3 or 4 wide brush will suffice. How much hardener is in a quart of resin? Apply gelcoat in 4-5 layers at approximately 5 mils each, allowing 15-20 minutes between layers for a total thickness of 20-25 mils. Maintenance, Fiberglass & Epoxy Below are two FREE MEKP Calculators and a MEKP CHART to simplify the process of determining the proper ratio of resin to catalyst or gelcoat to catalyst. Applying Gelcoat by Brush or Roller: Choose a good pure (natural) resin-resistantbristle brush with tapered ends. They range from a 1:1 ratio, like with our Table Top Epoxy, to our standard laminating epoxy allowing a 1:1, 2:1, 3:1, 4:1 and 5:1, allowing for different ratios that effect hardness and gel time. It is also needed with all gel coats. PDF Gel Coat Instructions - Marine Gel Coat Repair Product | Marine Products Measure catalyst accurately. If this is going over a patch, we recommend 2 coats at least, to get a nice, uniform surface. TIP: If using a wooden mixing stick, place the stick in the resin before adding catalyst so the wood doesn't absorb the catalyst. PINT (16OZ) 1/4 OUNCE In temperatures below 70 degrees, the paraffin can QUART (32OZ)1/2 OUNCEsolidify in the bottle. Registered User. This will accurately measure the proper amount of catalyst. Amount of MEKP in Ounces. Methyl Ethyl Ketone Peroxide (MEKP) MEKP is a clear hardener/catalyst for the room temperature cure of unsaturated polyester and vinyl ester resins. Below are two FREE MEKP Calculators and a MEKP CHART to simplify the process of determining the proper ratio of resin to catalyst or gelcoat to catalyst. Similarly,how many drops of hardener do i need? Some customers use Styrene for thinning but the manufacturer warns it can affect the gelcoat colors although this is the most cost-effective option and doesnt have the added wax. Under or over catalyzation retards curing and causes fading and chalking. Ropes, Boat Grande Mastere Dreade Snag's spellchecker 20,728 5,208 3026'36.2"N 8832'13.8"W 0000003099 00000 n Product is flammable, use caution! Working time is about 5 to 15 minutes, . per Volume). Gelcoat Touch up | Sailboat Owners Forums Below you will find a detailed gel coat preparation guide on how to apply gelcoat to your boat, RV, or other surfaces. Waxes, Boat Cleaning Rollers, Boat Trailer We all have a phone with a calculator so that makes this process even easier. Okay, so how is this MEKP Catalyst Chart or these handy Calculators useful? .75 oz X 38 Wide Fiberglass Cloth (Style #106), .75 oz X 38 Wide Fiberglass Cloth (Style #106) per yard, 1.5 oz x 50 Wide Fiberglass Cloth (Style #108), Customer Project Spotlight: 1956 Dundee Boat Refinish, Good, Better, BestResins For Your Project, Singing in the Rain- ProGlas 1000 Epoxy Resin Art Tutorial. %%EOF 0000023817 00000 n I tried 12 drops of MEKP Catalyst per oz my first try in about 80 degrees F. Then I found a MEKP Catalyst pdf with great instructions. Avoid brushes that are either too stiff or too soft. If the surface is painted then the paint should be removed before the gelcoat is applied. 11 27 Gelcoat will not darken or change colors when it dries. Once the fill area is level or contoured to the desired shape, sand with 100 grit paper to remove the course scratches from 40 or 80 grit. of wax; and 1 gal. Finishing your Gelcoat Application: If youre using our Professional Grade Exterior Gelcoat, youll be ready to sand and buff your freshly gelcoated surface after about 1- 3 hours. All Gel Coats from Bottom Paint Store come with MEKP with each gelcoat purchase. I am going to be making some small repairs which will require my working with about a table spoon spoon of gel coat at a time, How much hardner ( Drops ) will I need to mix with a table spoon of gel coat to get a proper cure. Mix the resin VOLUME To achieve the correct 2:1 mix ratio by volume, simply measure out 2-parts resin to 1 part hardener before mixing the components. We suggest a thickness of 18-20 mils to properly cure. Use 3M Abrasives for best results. How to properly measure MEKP for your polyester resin, gelcoat and more 13-15 cc per quart. Kits, Seadog Stainless Steel Cup I want to say poly resin needs 10 drops of MEKP per 1 oz. 0000002941 00000 n The Ideal range is 1.8% @ 77F (approximately 12 drops per ounce of gelcoat.) Rails, Marine Tools & Tool Do not use more than 1 oz tint per quart. ENCLOSED: Dropper bottle that will yield the exact ratios referenced on this chart when mixing small amounts. Begin wet sanding with the finest grit that will remove orange peel in the re-sprayed area. HELP! Gelcoat cure question | Boat Design Net
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