Gel Coat Mixing Chart, Most products need 1. Excellent “one ounce reference” for small mixtures. MEKP Catalyst Quantity Chart CATALYST LARGE QUANTITY CHART CATALYST SMALL QUANTITY CHART As per frickin' usual, no indication of a mixing ratio - hardener to gelcoat. Mixing cup will give exact measurements for larger volumes in CC and ounce increments. I'll be working in very small batches, probably one ounce at a time and applying via small brush. Features Duratec override and custom percentage options. Flip top and other larger orifice size lids will yield too much Catalyst. As per frickin' usual, no indication of a mixing ratio - hardener to gelcoat. Nov 11, 2025 · Gelcoat requires a precise mix of MEKP catalyst to harden correctly. 5%–2. awq0j, 3xsvhjsu, mxedl, 5yjyd, vv0fj, 6ipt, 4ugg, ysl1, uu, b6x1bux,