... alkali, aqua fortis and various kinds of organic liquid corrosion;4). Low ratio of friction (0.05-0.1), it ... gasket, cushion, covering fabric, conveyer belt which resisting viscidity; base on the different thickness, it could be used as conveyer ... cushion, gasket. High frequency plank coated with copper;4. heat resisting envelope, terrace base-material, enswathing of heat insulation;5. micro wave ...