Medium density polyethylene(MDPE) MDPE 99% MDPE
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Item | Unit | NDH | GH | LDH | MH | ||||
Standard | Typical | Standard | Typical | Standard | Typical | Standard | Typical | ||
Volume Resistivity at 20 degree C | ≥Ω*m | 1.0×1014 | 1.1×1015 | 1.0×1014 | 8.0×1014 | 1.0×1014 | 8×1014 | 1.0×1014 | 3.6×1014 |
Dielectric Strength | ≥MV/m | 25 | 37 | 25 | 35 | 25 | 32 | 25 | 35 |
Dielectric Constant | ≤ | 2.8 | 2.36 | 2.75 | 2.4 | 2.8 | 2.35 | 2.75 | 2.4 |
Dielectric Loss, Angular Tangent | ≤ | - | - | 0.005 | 0.0006 | - | - | 0.005 | 0.001 |
Melt Flowing Index | ≤g/10min | 2 | 0.9 | 0.5 | 0.3 | 2 | 1.1 | 1 | 0.5 |
Density | g/cm3 | 0.920-0.949 | 0.936 | 0.950-0.978 | 0.953 | 0.920-0.945 | 0.938 | 0.940-0.955 | 0.945 |
Tensile Strength | ≥MPa | 13 | 19 | 20 | 23 | ≥14.0 | 18 | ≥17.0 | 23 |
Yield Strength | ≥MPa | - | - | 16 | 20 | - | - | - | - |
Elongation at Break | ≥% | 500 | 790 | 650 | 850 | 600 | 700 | 600 | 800 |
Low Temp. Elongation at Break | ≥% | - | - | 175 | 210 | - | - | - | - |
Impact Brittleness in low temp. | ≤°C | -76 | Pass | -76 | Pass | -76 | Pass | -76 | Pass |
Dispersity of Carbon Black | ≥ Scatter | 6 | 7 | 6 | 7 | 6 | 7 | 6 | 7 |
Carbon Black Content | % | 2.60±0.25 | 2.6 | 2.60±0.25 | 2.6 | 2.60±0.25 | 2.6 | 2.60±0.25 | 2.6 |
Resistance to Environmental Stress Crack F0 | ≥h | 96 | Pass | 500 | Pass | 500 | Pass | 200 | Pass |
200 degree C Oxidative Induced Time | ≥min | 30 | Pass | - | - | 30 | Pass | 30 | Pass |
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