China Raffia Grade Mi3-4 Textile PP Polypropylene, Find details about China Polypropylene, Raffia Grade from Raffia Grade Mi3-4 Textile PP Polypropylene
Test property | Superior grade | Qualified grade | Test Result | Unit | Test method |
Melt flow index | 3-4 | 2.5-4.5 | 3.16 | g/min | GB/T 3682.1 |
Yellow index | ≤2 | ≤2 | -2.8 | / | HG/T 3862 |
Isotactic index | 95.5-99.5 | 95.5-9.5 | 98.2 | % | GB/T 2412 |
Impurity | ≤10 | ≤40 | 0 | Particle/kg | SH/T 1541.1 |
Black particles | 0 | 0 | 0 | Particle/kg | SH/T 1541.1 |
Uneven particles | / | / | 0.12 | G/kg | SH/T 1541.1 |
Tensile yield stress | >31 | >29 | 32.4 | Mpa | GB/T 1040.2 |
Tensile break stress | >15 | >15 | 22.5 | Mpa | GB/T 1040.2 |
Tensile fracture nominal strain | >150 | >150 | 4.5*10^2 | % | GB/T 1040.2 |
Ash | ≤200 | ≤500 | 142 | mg/kg | GB/T 9345.1 |
Conclusion | Superior |