| Abbreviation | Definition |
|---|---|
| OC | Oleoresin Capsicum |
| OHF | Old Hydrofracture Facility |
| OMP | Oneida Molded Plastics |
| OPS | Oriented PolyStyrene (film) |
| P | Plastic |
| PA | PolyAmide (Nylon) |
| PAEK | Polyaryletherketone |
| PAH | Polycyclic Aromatic Hydrocarbon |
| PAI | Polyamide-Imide |
| PAO | Poly Alpha Olefine |
| PAP | Plastic Animation Paper |
| PAS | Polyarylsulfone |
| PASA | PolyAmide, Semi- Aromatic (Nylon) |
| PB | Polymer Based |
| PBD | Plastic Bricks Direct |
| PBGA | Plastic Ball Grid Array |
| PBI | Polybenzimidazole |
| PBO | Phenylene Benz Obisoxazole |
| PBT | PolyButylene Terephthalate |
| PC | PolyCarbonate |