... away the blot or other dust such as resin, coating material, etc.3. Chemical corrosion resistant, it could resist acid, ... : insulating belt of electric, septa, cushion, gasket. High frequency plank coated with copper;4. heat resisting envelope, terrace base-material, ... etc;7. fabric of heat-variable glue;8. construction membranous material: sorts of ceiling of gymkhana, station ceiling, parasol, and ...