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.
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 has high heat resistance and other characteristics. There is no precipitation pollution, meets the relevant requirements of ROHS, etc., and is easy to extrude and process.
Application field:
It is suitable for new energy vehicle lines with QC/T1037 and other standards, 25mm2 and below.
| No. | Testing Items | VALUE | Typicalval | UNIT | Method |
| 1 | Density（20℃） | -- | 1.35 | g/cm3 | GB/T 1033 |
| 2 | Tensile strength | ≥10 | 12.5 | MPa | GB/T 1040.2 |
| 3 | Elongation at break | ≥350 | 430 | ％ | GB/T 1040.2 |
| 4 | Hot extension 200℃,0.2Mpa,15min | ||||
| The elongation rate under load | ≤100 | 50-70 | ％ | \ | |
| Permanent rate of change after cooling | ≤15 | 2 | ％ | GB/T 2951.21 | |
| 5 | heat deterioration 175±2℃, 240h | ||||
| Rate of change in the tensile strength | ≤±30 | 25 | % | GB/T 2951.12 | |
| Rate of change of fracture elongation | ≤±30 | -29 | % | GB/T 2951.12 | |
| Winding | Notbroken | Notbroken | \ | ISO6722 | |
| Withstand voltage | Notbroken | Notbroken | \ | ISO6722 | |
| 6 | heat deterioration 150±2℃, 3000h | ||||
| Winding | Notbroken | Notbroken | \ | ISO6722 | |
| Withstand voltage | Notbroken | Notbroken | \ | ISO6722 | |
| 7 | Impact brittlement temperature（-40 ºC) | ≤15/30 | 0/30 | GB/T 5470 | |
| 8 | Volume resistivity(20ºC) | ≥1.0×10^12 | 4.5×10^12 | Ω·m | GB/T 1410 |
| 9 | Dielectric strength(20ºC) | ≥20 | 30 | MV/m | GB/T 1408.1 |
| 10 | Solvent resistance (outer diameter rate of change) | ||||
| Gasoline resistance (ISO1817C, 23°C, 20H)h | |||||
| Rate of change of outer diameter | ≤15 | 12.6 | % | GB/T25087 ISO14572 | |
| Diesel resistance (90%ISO1817 3# oil + 10% paraxylene, 23°C, 20h) | |||||
| Rate of change of outer diameter | ≤15 | 2.3 | % | GB/T25087 ISO14572 | |
| Engine oil resistance (ISO1817 2# oil, 50°C, 20h) | |||||
| Rate of change of outer diameter | ≤15 | 3.1 | % | GB/T25087 ISO14572 | |
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