| 摘要 |
PROBLEM TO BE SOLVED: To provide a coating composition from which a rubber member having improved sealing property and dust adhesion preventing property is obtained, and to provide a such rubber member.SOLUTION: The coating composition contains (A) diorganopolysiloxane in an amount of 10 mass% to 90 mass% and having hydroxyl groups as molecular chain terminals and a viscosity at 25°C of 30 mPa s to 100,000 mPa s, (B) an organopolysiloxane resin in an amount of 90 mass% to 10 mass% and consisting of a RSiOunit, where R is a monovalent hydrocarbon group, and a SiOunit with a molar ratio between the RSiOunit and the SiOunit (RSiOunit/SiOunit) of 0.4/1 to 1.2/1, and (C) a dimethyl silicone oil of 1 pts.mass to 200 pts.mass based on the total 100 pts.mass of the (A) and (B). |
