white silicone foam rubber tube 1)customized on demand 2) ... D1458Elongation150%~250%ASTM D412Hardness10~40 Shore A (customize)ASTM 2240Temperature Range-60~260 CEn344Density0.6~0.9 g/cc (customize)ASTM ... , 10*20, 12*17, 15*20 [Color] Red, Grey, White, Black, Others can be customizedWhat we produce on special demand1 ... Once order is made, we factory can ensure delivery time white silicone foam rubber tube