| Abbreviation | Definition |
|---|---|
| PEI | PolyEtherImide |
| PEKEKK | PolyEtherKetoneEtherKetoneKetone |
| PEMH | PolyurEthane Molding Header |
| PEMU | PolyElectrolyte MUltilayer film |
| PEO | PolyEthylene Oxide |
| PES | Polyethersulfone |
| PET | Poly-Ethylene Terephthalate |
| PETE | Polyethyene Terepthalate |
| PETG | Poly-Ethylene Terephthalate Glycol |
| PEX | Cross-linked PolyEthylene |
| PF | Plasticizer Free |
| PFA | PerFluoroAlkoxy |
| PFCP | Perfluorocyclopentenyl |
| PFPG | Plastics Foodservice Packaging Group |
| PFV | Plastic Filled Valley Wire rope |
| PGF | Phenolic Glue Film |
| PHA | Poly- Hydroxy Alkanoate |
| PI | Polyimide |
| PID | Plastics Information Direct |
| PIRC | Plastics Innovation Resource Center |