| Grade | Generic | Region\Company |
| WELLAMIDŽ EcoLonŽ 2000-BK1 | Nylon, Unspecified | Asia Pacific - Wellman, Inc.Europe - Wellman, Inc.North America - Wellman, Inc.South America - Wellman, Inc. |
| WELLAMIDŽ EcoLonŽ 2020-BK2 | Nylon 6 | North America - Wellman, Inc. |
| WELLAMIDŽ EcoLonŽ 2100-BK1 | Nylon, Unspecified | Asia Pacific - Wellman, Inc.Europe - Wellman, Inc.North America - Wellman, Inc.South America - Wellman, Inc. |
| WELLAMIDŽ EcoLonŽ 2200-BK1 | Nylon 66 | North America - Wellman, Inc. |
| WELLAMIDŽ EcoLonŽ MR1660-BK | Nylon 66 | Asia Pacific - Wellman, Inc.Europe - Wellman, Inc.North America - Wellman, Inc.South America - Wellman, Inc. |
| WELLAMIDŽ EcoLonŽ MR1660-BK1 | Nylon 66 | North America - Wellman, Inc. |
| WELLAMIDŽ EcoLonŽ MRGF1518-BK | Nylon 66 | Asia Pacific - Wellman, Inc.Europe - Wellman, Inc.North America - Wellman, Inc.South America - Wellman, Inc. |
| WELLAMIDŽ EcoLonŽ MRGF1518-BK3 | Nylon 66 | North America - Wellman, Inc. |
| WELLAMIDŽ EcoLonŽ MRGF1616-BK | Nylon 6 | Asia Pacific - Wellman, Inc.Europe - Wellman, Inc.North America - Wellman, Inc.South America - Wellman, Inc. |
| WELLAMIDŽ EcoLonŽ MRGF1619-BK3 | Nylon 66 | Asia Pacific - Wellman, Inc.Europe - Wellman, Inc.North America - Wellman, Inc.South America - Wellman, Inc. |
| WELLAMIDŽ EcoLonŽ MRGF1619-BK5 | Nylon 66 | North America - Wellman, Inc. |
| WELLAMIDŽ EcoLonŽ MRGF1619-WBK1 | Nylon 66 | North America - Wellman, Inc. |
| WELLAMIDŽ EcoLonŽ MRGF1878-BK1 | Nylon 6 | North America - Wellman, Inc. |
| WELLAMIDŽ EcoLonŽ MRGF1914-BK1 | Nylon 66 | North America - Wellman, Inc. |
