This product is made of high-purity polyolefin resin as the base material, adding high-quality and efficient flame retardants, cross-linking sensitizers, antioxidants and other processing aids, and is made by mixing, plasticizing and granulating.
It has excellent mechanical and physical properties, electrical properties, flame retardant properties, and high heat resistance.
It has no precipitation pollution, meets Rohs requirements, and is easy to extrude.
Application:
It is suitable for the production of automotive in-vehicle cables of 25mm^2 and below in accordance with QC/T1037/ISO 6722/JASO D611 and other standards.
| Testing Items | Value | Typical Value | UNIT | Method |
| Density | -- | 1.35 | g/cm3 | GB/T-1033 |
| Tensile Strength | ≥10 | 12.5 | MPa | GB/T-1040.2 |
| Elongation At Break | ≥350 | 430 | ％ | GB/T-1040.2 |
| Hot Extension（200℃ 0.2Mpa 15min） | ||||
| Elongation Under Load | ≤100 | 50-70 | ％ | GB/T-2951.21 |
| Permanent Rate of Change After Cooling | ≤15 | 2 | ％ | |
| Heat Deterioration(175±2℃ 240H) | ||||
| Rate of Change of Tensile Strength | ≤±30 | 25 | % | GB/T-2951.12 |
| Rate of Change of Elongation At Break | ≤±30 | -29 | % | GB/T-2951.12 |
| Impact Embrittlement Temperature | ≤15/30 | 0/30 | 个 | GB/T-5470 |
| Volume Resistivity(20ºC) | ≥1.0×10^12 | 4.5×10^12 | Ω·m | GB/T-1410 |
| Dielectric Strength(20ºC) | ≥20 | 30 | MV/m | GB/T-1408.1 |
| Solvent Resistance (Outer Diameter Rate Of Change) | ||||
| Gasoline Resistance (ISO1817C 23°C 20H) | ||||
| Outside Diameter Change Rate | ≤15 | 12.6 | % | GB/T25087/ISO14572 |
| Diesel Resistance (90%ISO1817 3# oil+10%Paraxylene 23°C 20H) | ||||
| Outside Diameter Change Rate | ≤15 | 2.3 | % | GB/T25087/ISO14572 |
| Engine Oil Resistance (ISO1817 2# oil 50°C 20H) | ||||
| Outside Diameter Change Rate | ≤15 | 3.1 | % | GB/T25087/ISO14572 |
Notes:
1. After the extruder temperature reaches the set value before starting, it needs to be kept constant for about 0.5 hours.
2. When starting the machine to discharge, the melt temperature should be controlled at about 170-180℃, and the filter selection is recommended to be a 60 mesh + 80 mesh + 60 mesh combination filter.
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