- Called "polytetrafluoroethylene" in general
- Macromolecule with most bonded structure ofCF₂CF₂(molecular weight ranges from 3 mil. to 8 mil.)
- No.1 chemical/physical properties among all resin fluorocarbon resins
- Low frication coefficient (about 0.02) and self-lubricating
- Profoundly non-sticky and heat-resistant