| abstract |
The present invention provides a room temperature curable polyorganosiloxane composition which produces a rubber-like elastic body having excellent adhesion, high strength and high extensibility, and which has a high curing rate. (A) (a1) a polyorganosiloxane having two or more silanol groups and / or ketoximato groups and having a viscosity at 23 ° C. of 20,000 mPa · s or more, (a2) a crosslinking agent, and (A3) a first composition containing a curing catalyst, (B) (b1) a polyorganosiloxane having two or more silanol groups and a viscosity at 23 ° C. of 500 to 200,000 mPa · s, and (B2) mixed with a second composition containing a filler having adsorbed water, and (c1) at least one of (A) the first composition and (B) the second composition The composition further comprises calcium carbonate surface-treated with a saturated or unsaturated linear fatty acid or an alkali metal salt thereof. [Selection figure] None |