| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| MARPOL® PSC 6200 | Marco Polo International, Inc. | PS (GPPS) | MARPOL® PSC |
| MARPOL® PSC 6020 | Marco Polo International, Inc. | PS (GPPS) | MARPOL® PSC |
| MARPOL® PSC 6030 | Marco Polo International, Inc. | PS (GPPS) | MARPOL® PSC |