... hard alloy 2 EPDM sealing materials imported rubber modified 1.sliding door, stainless steel and color steel two kinds,2.the use ... PU as core material, open and close easily, specially polyethylene sliding wheels, low temperature rubber seals, the main pieces of molded ... color steel plate.Note:1. to install anti-collision plate, door thickness of 50mm, 75mm, 100mm, 150mm, 200mm2.-10 °C Following ...