| 摘要 |
An RTV organopolysiloxane composition comprising (A) a diorganopolysiloxane having at least two silicon-bonded hydroxyl or hydrolyzable groups and (B) a silane having at least two hydrolyzable groups is loaded with (C) a wet silica having a BET surface area of 50-400 m2/g, a BET/CTAB surface area ratio of 1.0-1.3, and a water content of up to 4%. The composition maintains an appropriate fluidity and prevents the filler from settling down or separating without a need for special surface treatment of the silica filler, addition of any special additive, and heat treatment during manufacture.
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