White Gel Coat REPAIR KIT RAYPLEX makes Gel Coat Repair and Color Matching Easy Used to Repair Fiberglass Hot Tubs Shower Stalls Hot Tubs Boats Recreational Vehicles. Matching Tips Over the years we have found that most off-white colors start with a base of OXIDE and then have a slight amount of yellow or brown or black added. That covers about 740 different shades of off white. As gel coat get older it fades.  Its not unusual to find a 10 year old boat that has faded to 5 different colors. (RE: deck, transom, interior, port side, and starboard side.)  Different amount of sunlight caused the fading to happen.

Place chart on gel coat to be matched. next start adding a few drops of pigment. Check mix and repeat until desired colour is achieved. Just add between 1 and 50 Drops. These pigments change the color very gradually.  This gives you very accurate control.

The kit contains

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