HS code: 3920991000

Plates, sheets, film, foil and strip, of polytetrafluoroethylene, non-cellular, not reinforced, supported or similarly combined with other materials

聚四氟乙烯制非泡沫塑料板，片，箔(含膜及扁条，未用其他材料层压，支撑或类似方法合制);