摘要 |
A high strength heat curable silicone rubber composition comprising (A) 100 parts of a vinyl-terminated diorganopolysiloxane base polymer having up to 0.7 weight percent of aliphatic type unsaturation such as 3,3-difluor-2-propenyl from 5 to 80 parts by weight of a vinyl-terminated diorganopolysiloxane additive polymer having from 0.05 to 10 mole percent of organo vinylsiloxy units and from 0.01 to 10 parts by weight of a curing catalyst. |