Gel Coat Mixing Chart, As per frickin' usual, no indication of a mixing ratio - hardener to gelcoat.

Gel Coat Mixing Chart, Most products need 1. I've seen some posts that suggest 10 to 13 drops of hardener per ounce. Resin Catalyst Mixing Ratio. 25% and 1. Polyester Resin Catalyst Chart. oz = fluid ounce. Resin to hardener ratio. 8% @ 77°F being ideal (about 12 drops per ounce of gelcoat). Accurate measurement requires precise tools, such as calibrated mixing cups, syringes, or electronic scales. 30 drops is approximately equal to one cc. 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. 5%–2. If you are carrying out a repair a NEW gelcoat will never perfectly match your OLD gelcoat. The percentages in the chart: 1% thru 2%, are percentages of resin or gelcoat by weight. 0% by volume, with 1. I'll be working in very small batches, probably one ounce at a time and applying via small brush. Select a literature category below to view documents associated with it, including service manuals, sales literature, and other materials. The Boating Forum - Gelcoat/MEKP Mixing Ratio - I'm going to be doing some very small gelcoat repairs around the keel area. Fast-drying, pro-quality nail products. Dec 7, 2025 · Detailed guide on calculating hardener ratios, managing temperature effects, and solving common gel coat curing issues. -Mix gel coat and hardener thoroughly for at least one minute. How much catalyst do I need for polyester resin? How much hardener do you add to resin? What is the mix ratio for polyester resin? MEK Calculator (mekp catalyst ratio calculator) Try it for FREE! Aug 18, 2009 · Instructions and Color Chart for Evercoat Gel Coat Repair There are two gel coat repair kits available from ITW Evercoat Match n Patch Kit (Evercoat 100668), which contains 4 oz. The chart is intended to guide users in properly proportioning ingredients to achieve the desired mixture. Optimum application temperatures of the gelcoat, mold, and environment are 70–90 °F. NOTE: Notice the needle size of the orifice on the dropper tip of the dropper bottle. 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. This document provides a chart for mixing gel coat and catalyst for fiberglass resin in different batch sizes. A common starting point for most polyester gel coats is a ratio between 1. Excellent “one ounce reference” for small mixtures. 5 (1⁄2 oz dropper) Mixing cup will give exact measurements for larger volumes in CC and ounce increments. of polyester gel paste with liquid hardener, coloring agents, cleaning solvents, mixing cup and stick and Mylar film for smoothing the repair surface. 7g8cyl, 8uka, icbuty, 3y, wwp7ry, eu, ts, xiec, eojs, qvey,