| abstract |
(57) [Abstract] [Purpose] To provide a rubber mixture having extremely few mechanical fatigue and cracking due to ozone. [Structure] (A) Chlorinated polyethylene and / or chlorinated ethylene-propylene copolymer 100 (parts by weight, Hereinafter the same), (B) carbon black 5-100, (C) polyhydroxy compound 0.5 to 7, (D) benzothiazyl sulfenamide 1.0 to 10.0, (E) mercaptotriazine compound 0.01 to 5.0, (F) Metal compound 1.0 to 15.0 and (G) plasticizer 5 Add 50. |