Organosiloxane compositions yielding machinable erosion resistan

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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523219, 523218, 524862, 528 15, 528 31, 528 32, 525478, C08K 340

Patent

active

059488565

ABSTRACT:
Curable organosiloxane compositions that cure by a platinum group metal catalyzed hydrosilation reaction to yield machinable elastomers exhibiting a high resistance to erosion contain an alkenyl-functional organosiloxane copolymer as the reinforcing agent together with quartz and organic or inorganic microspheres as the non-reinforcing filler. The concentration and density of the microspheres are preferably within specified limits.

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