1 power beam characteristics from the use of hard alloy 2 EPDM ... , stainless steel and color steel two kinds,2.the use of PU as core material, open and ... specially polyethylene sliding wheels, low temperature rubber seals, the main pieces of molded stainless steel, aluminum rail accessories ... 50mm, 75mm, 100mm, 150mm, 200mm2.-10 °C Following the installation of electric heating wire system for -40 °C ...