C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
18/644, 31/67, 1
C08J 9/22 (2006.01) B29C 44/20 (2006.01) B29C 44/30 (2006.01) B29C 44/34 (2006.01) B29C 67/20 (2006.01) C08J 9/236 (2006.01)
Patent
CA 1195837
ABSTRACT An insulating material in the form of a body comprising expanded plastics beads which are each encapsulated in bitumen or a bituminous compound which is free from solvents, light oils, emulsifiers or other liquifying agents, such encapsulation having been formed by a hot process, the encap- sulated beads having been subsequently pressed together and distorted to form a body with voids between the beads substantially eliminated.
421087
Grace (w.r.) Limited
Smart & Biggar
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