| Sample Abbreviation | Matrix | Short carbon fibers (SCF) | short glass fibers (SGF) | ZnS sub-micrometer particle |
| PI | 100 | - | - | - |
| ZnS/PI | 95 | - | - | 5 |
| SCF/PI | 90 | 10 | - | - |
| SGF/PI | 90 | - | 10 | - |
| ZnS/SCF/PI | 85 | 10 | - | 5 |
| ZnS/SGF/PI | 85 | - | 10 | 5 |