... under the high hardness, moderate grain force, high roughness, low cardamine.Good wear resistance, long using period. trong temperature, no climate ... time, in case effect the hulling capacity.The surrounding temperature is better under the 50°C.Change the fast and ... 0.530±0.530.5±0.530.5±0.530.5±0.5 ColorBrown, white, amber Hardness Shore A90-95degree BrandRoaring Lion, QiaoWang,Yashi,OEM High Quality ...