... Capacitors 4,Feature: Moisture Proof 5.Certification:SGS ptfe film:1,Characteristics:Two kinds: Directional and non directional ptfe ... film, smooth and level surface, dimensional accuracy.2,Application: ... film, HDPE rod, HDPE sheet, POM, PVC and so on.(3). Standard: ISO9001 Certification: SGS, ISO9001:2008 high quality ptfe teflon film