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Liquid Urethane Foam Kit, 8 Lb Density, Includes 1 Quart Part A & 1 Quart Part B

Liquid Urethane Foam Kit, 8 Lb Density, Includes 1 Quart Part A & 1 Quart Part B

Shared by: Stormy Cobb from AMAZON
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Liquid Urethane Foam Kits. Manufactured by Fiberglass Coatings Inc. 8 Pound Density. Includes 1 Quart of Part A and 1 Quart of Part B. The urethane based resins, when mixed, create a permanent foam with closed cells, filled primarily with CO2. If foam is poured in an enclosed area, vent holes are normally required to vent excess foam., otherwise, pressures may distort structures. Why use 8 Lb density instead of 4 or 2 Lb density? 8 lb density can be strong enough for coring in some projects. PVC foam is generally considered as the best foam coring because it has resilience and memory if stressed. Urethane foams are friable meaning material is easily removed if scraped, and if dented, urethane foam will not bounce back as good as PVC foam. However, urethane foams have two tremendous advantages over PVC foams. They can be poured, molded and shaped on the spot by anyone; and secondly, they can be shaped easily by carving or sanding.

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