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

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

Shared by: Raphael Champion from AMAZON
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Two part urethane pour foam transforms into a rigid closed cell foam resistant to water absorption Once cured, foam can be laminated over with polyester, epoxy or vinyl ester resin without problem. Can be poured in multiple layers with excellent bonding between layers. Excellent for Flotation, Insulation, and Structural Uses 2 Gal. of Mixed Liquid Makes 2 Cu Ft of Foam Liquid Urethane Foam Kits, Manufactured by Fiberglass Coatings Inc. (FGCI), 8 Pound Density, Includes 1 Gallon of Part A and 1 Gallon of Part B, Excellent for Flotation or Insulation. 2 Gallon kit makes 2 Cu Ft of foam. The urethane based resins, when mixed, create a permant 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 resilence 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 formed, poured and shaped on the spot by anyone; and secondly, they can be shaped easily by carving or sanding

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