| abstract |
A silicone elastomer composition having a hardness suitable for a medical tube, no yield point, and forming a cured product exhibiting good elongation characteristics and strength at break, and medical elasticity using the same A member and a medical tube are provided. (A) 100 parts by mass of a raw rubber-like organopolysiloxane containing the following components in a mass ratio of 10/90 to 95/5 (A1) an organopolysiloxane having an alkenyl group only at the molecular chain end; (A2) Organopolysiloxane having an alkenyl group at the molecular chain terminal / side chain and having an alkenyl group content of less than 0.10% by mass (B) Organopoly having an alkenyl group content of 0.50 to 20.0% by mass Containing siloxane, (C) organohydrogenpolysiloxane, (D) inorganic filler, (E) addition reaction catalyst, hardness is 40 or more, elongation at break is 500% or more, and tensile strength is 7.0 MPa or more A silicone elastomer composition which gives a cured product. [Selection] Figure 1 |