... Moisture Proof 5.Certification:SGS skived ptfe film:1,Characteristics:Two kinds: Directional and non directional ptfe film, smooth and level surface, dimensional ... Factory advantange: Professional PTFE manufacture.(2). Maily products: PTFE moulding sheet, PTFE skived sheet, PTFE extrusion rod, PTFE moulding rod, PTFE pipe, PTFE film, HDPE rod, HDPE ... : SGS, ISO9001:2008 0.015-0.1mm teflon skived film