... /NBR/NR/Silicone 2.Size/Color:various 3.Oil resistant,acid-base resistant, cold-resistant,heat-resistant Quality ... etc. Manufacturing methodsOrdinary rubber board is made of rubber and chelating agent by matching, mixed refine, rolling a slice ... that lay the ground;2.Oil resistant plastic board,The working medium: gasoline, kerosene, diesel oil, and other mineral oil kind, Working temperature: - 30 ...