| Product | Flame Retardant Masterbatch | Flame Retardant Masterbatch |
| Code | ZRT-PET (base polymer customized) | ZRB-PET (base polymer customized) |
| Appearance | White transparent particle | White opaque particle |
| Effective solid content (%) | 10±0.2 | 10±0.2 |
| Melting index（MI, dL/g） | 11.0±2.0 | 10.8±2.0 |
| Intrinsic viscosity（IV, g/10min） | 0.59±0.05 | 0.57±0.05 |
| Melting point（℃） | 260±10 | 260±10 |
| Moisture（%） | ≤0.03 | ≤0.03 |
| Haze（%） | <1 | / |
| Film transparency VLT% | 90 | / |
| Density（g/cm3） | 1.40 | 1.42 |
| Weight of 100 particles(g) | 1.84 | 2.17 |