Ark Composites 2-quart Polyurethane Expanding Foam

Low water absorption, 97% closed cell content. One quart of mixed foam supports approximately 63 lbs/cubic foot. Six month shelf life. A low density 2 lb/cubic foot density, rigid urethane foam system. Mix ratio by volume is 1:1. Mixed chemicals expand up to 30 times in volume and begin to set in approximately 2-3 minutes at 20 Celsius and cures in about 20 minutes. 

One quart of mixed foam has a flotation factor of approximately 70 lbs and will expand to about 1 cubic foot.

Used in small boats to prevent immediate sinking from below waterline leaks.

• Can be used on a boat, car or house for flotation, caulking, insulation
• Will adhere to metal, fiberglass and wood
• Cures in 20 minutes
• Can be cut, sanded or painted
• 2 Part Solution