| Model | H-20 |
| Appearance | White powder |
| Apparent density(g/cm3) | 0.45±0.10 |
| Volatile content (%) | ≤2.0 |
| Granularity (30 mesh pass rate) | ≥98% |
| Intrinsic viscosity | 2.6±0.2 |
According to your actual needs, choose the most reasonable overall design and planning procedures