... , oil, Grease resistance· SpecificationA) Standard and NonstandardB) Different sizes and structure available· Hardness 30 to 80 Shore A ... life.2) Insulation, moisture, shock, shock.3) Environmental non-toxic products. Weather resistance, chemical corrosion.4) Outdoor use ... team, the main production facilities have vulcanizing machine, rubber mixing machine, grinding machine, mixing machine and cutting ...