2 Gallon set of 2LB density marine foam is recommended for void filling in nonstructural applications. The densities shown refer to the weight per cubic foot of expanded foam (12" x 12" x 12"). This product can be poured underneath decks and inside cavities where a lightweight flotation foam is needed to provide buoyancy. 2 lb density Pour Foam Part A and Part B liquid Polyurethane foam. The foam expands approximately 30 times its liquid volume before curing, and will fill any shape cavity. It does not react with oil or gasoline and it will not absorb water. Ideal for floatation applications and provides 60 pounds of floatation per cubic foot of foam. Unlike polyester foams, polyurethane foam is compatible with both polyester and epoxy resins. "Closed cell". Not greatly affected by gas or oil. Mix ratio is 1:1. 2 Gallon Set (16 lb) will fill about 8 cubic feet of space. Item 1810

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