Properties | Standard | Results | Test Methods |
Melt Flow Rate MFR(5kg), g/10min | 0.28±0.05 | 0.27 | GB/T 3682.1-2018 |
Density ρ , g/cm3 | 0.9600±0.0040 | 0.9608 | GB/T 1033.2-2010 |
Tensile Properties: |
Tensile Elastic Modulus,MPa | ≥ 860 | 960 | GB/T 1040.2-2006 |
Tensile Stress at Yield,MPa | ≥ 23.0 | 23.4 |
|
Tensile Stress at Break ,% | ≥ 5.2*10² | > 600 |
|
Flexural Modulus Ef, MPa | As report | 1.18E±03 | GB/T 9341-2008 |
Simply Supported Beam Notched Impact Strength acA (23°C), kJ/m² | ≥ 15 | 23 | GB/T 1043.1-2008 |
Load Deflection Temperature Tf 0.45, °C | ≥ 60 | 78 | GB/T 1634.2-2019 |
Oxidative Induction Time 0IT (210°C, A1) , min | ≥ 20.0 | 39.8 | GB/T 19466.6-2009 |
Volatile Content, mg/kg | ≤ 350 | 164 | GB/T 15558.1-2015 |
Carbon Black Content, mg/kg | 2.0~2.5 | 2.2 | Q/310116000123C025-2020 |
Carbon Black Dispersion, grade | ≤ 3 | 0.9 | GB/T 18251-2019 |
Hydrostatic Pressure Strength (80°C, 1000h) | No rupture, no leakage (5.4MPa) | No rupture, no leakage (5.4MPa) | GB/T 6111-2018 |
Resistant to Slow Crack Growth (80°C, 500h) | No rupture, no leakage(0.92MPa) | No rupture, no leakage(0.92MPa) | GB/T 18476-2019 |
Resistant to Rapid Crack Propaga-tion (RCP) (S4 test, 0°C), MPa | pc, S4≥MOP/2.4-0.072 | > 1.0 | GB/T 19280 |
Gas Component Resistance test, (80°C, ring stress 2 MPa) , h | ≥20 | > 20 | GB/T 15558.1-2015 |
Weldability (butt fusion tensile strength) | Toughness: pass, brittleness: fail | Toughness: pass | GB/T 15558.1-2015 |