| Abbreviation | Definition |
|---|---|
| PRF | Plastics Recovery Facility |
| PROP | Propelene |
| PROP | Propeller |
| PRR | Polycarbonate Replacement Resin |
| PRSE | Plastics Recycling Show Europe |
| PRT | Polymer Reinforced Technology |
| PS | PolyStyrene |
| PSI | Polymer Systems Incorporated |
| PSNA | Plastic Surgeons of Northern Arizona |
| PSP | Poly Styrene Paper |
| PSP | Post Shoring Polyethylene |
| PSU | PolySUlfone |
| PT | Plastic Technology |
| PTFE | PolyTetraFluoroEthylene |
| PTFP | Plastics To Fuel and Petrochemistry |
| PTOC | Plastic Twist Off Cap |
| PU | PolyUrethane |
| PUC | Polyurethane Coating |
| PUL | Polyester Urethane Laminate |
| PUR | PolyURethane |