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Gel Coat Mixing Chart, 5 (1⁄2 oz dropper) Mixing cup will give exact measurements for larger volumes in CC and ounce increments. Mixing cup will give exact measurements for larger volumes in CC and ounce increments. Explore Golden Artist Acrylics, known for exceptional quality, rich pigments, and versatility, offering artists the perfect tools for creative expression. Polyester Resin Catalyst Chart. As per frickin' usual, no indication of a mixing ratio - hardener to gelcoat. Optimum application temperatures of the gelcoat, mold, and environment are 70–90 °F. oz = fluid ounce. NOTE: Using drops for catalyst measurement is only an estimate. Resin Catalyst Mixing Ratio. Resin to hardener ratio. 125 grams per cc. Select a literature category below to view documents associated with it, including service manuals, sales literature, and other materials. CATALYST LARGE QUANTITY CHART Catalyst Concentration Resin Quantity Quart Gallon 5 Gallon 1/2% 1/16 oz 2/3 oz 3 1/3 oz 3/4% 1/4 oz 1 oz 5 oz 1% 1/3 oz 1 1/3 oz 6 2/3 oz 1 1/2% 1/2 oz 2 oz 10 oz CATALYST SMALL QUANTITY CHART CatalystConcentration Resin Quantity30 drops = 1 cc 2 oz 4 oz 8 oz 12 oz 16 oz 1/2 % 9 drops 18 Dec 7, 2025 · Gel coat manufacturers typically specify a mixing ratio of 1% to 3% MEKP by weight or volume of the gel coat. 30 drops is approximately equal to one cc. May 22, 2024 · You can find our MEKP catalyst quantity chart HERE. 5%–2. I ordered the gelcoat and hardener from Sherfab and it came in yesterday. The Gelcoat to Catalyst Ratio Calculator gives you fast, unit-safe, and reliable results every time. In critical applications MEKP should be measured using cc’s or fluid oz’s which are volume measurements. Shop nail polish, press-ons, mani kits, and nail care, 60+ new shades. If multiple pails or drums of the same color are needed to make a part, Ashland recommends mixing all the pails or drums together in a suitable container to ensure a homogeneous mixture. It specifies the amounts of gel coat, gel coat aid at various percentages, and MEKP catalyst to use for batches ranging from 4 to 500 ounces or 100 to 500 cubic centimeters. Fast-drying, pro-quality nail products. MEKP Catalyst Quantity Chart CATALYST LARGE QUANTITY CHART CATALYST SMALL QUANTITY CHART Accurate gelcoat mixing is not optional—it determines finish quality, durability, and safety. 8% @ 77°F being ideal (about 12 drops per ounce of gelcoat). of polyester gel paste with liquid hardener, coloring agents, cleaning solvents, mixing cup and stick and Mylar film for smoothing the repair surface. Dec 7, 2025 · Detailed guide on calculating hardener ratios, managing temperature effects, and solving common gel coat curing issues. I'd really appreciate any of the pro's around here to chime in with an answer. Most products need 1. If you are carrying out a repair a NEW gelcoat will never perfectly match your OLD gelcoat. Nov 11, 2025 · Gelcoat requires a precise mix of MEKP catalyst to harden correctly. y8k, h8tct, j7wjq, nkeqq, qgtk, uji53, vg6, sl, hak8n, agl1,