C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
18/643
C08J 9/00 (2006.01)
Patent
CA 1069266
ABSTRACT OF THE DISCLOSURE A composition for reinforced high density rigid poly- urethane products including conventional rigid polyurethane foam materials and including silica sand as a filler in quantities ranging from 10% to 75% by weight and chopped glass fibers as a reinforcing agent in quantities ranging from 3% to 25% by weight and the method of making the same with the products having a density of from about 10 to about 80 lb/ft3.
242461
Na
Tecnik International Corporation
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