This charging pile sheath material is made of high-purity resin as the base material, and is mixed with halogen-free flame retardants, antioxidants, etc. and extruded and granulated. It has excellent performance such as halogen-free, heat-resistant, and weather-resistant, has no precipitation pollution, meets the requirements of ROHS, and is easy to extrude and process.
Application Field: It is suitable for the production of outer sheath and insulation layer of charging pile cables that meet the requirements of American standard UL2231-2.
| Test items | Value | Typical Value | Unit | Method |
| Density | <1.2 | 1.05 | g/cm3 | GB-T1033 |
| Hardness(6mm plate) | 80±3 | 80 | HA | GB/T2411 |
| Low Temperature embrittlement temperature | <15/30 | 0/30 | PCS | GB/T5470 |
| Thermal shock ( 150*Cx1h) | No Cracks | No Cracks | 一 | UL758 |
| Temperature resistance level | 105 | 105 | ℃ | \ |
| Mechanieal Prpeties | ||||
| Tensile strength before aging | 210 | 12.5 | MPa | GB/T1040 |
| Elongation at break before aging | 2300 | 380 | % | GB/T1040 |
| Aging Performance 135℃x168H | ||||
| Tensile strength after aging | 210 | 13.8 | MPa | GB/T2951.12 |
| Tensile strength retention | <+25 | 10 | % | GB/T2951.12 |
| Elongation at break after aging | 2300 | 350 | % | GB/T2951.12 |
| Elongation at break retention | <+25 | -8 | % | GB/T2951.12 |
| Tear resistant | >20 | 35 | N/mm | GB/T33594 |
| Weather resistance(720H, UV) | No cracks | Pass | GB/T33594 | |
| Change rate of tensile strength | ≤30 | 15.2 | % | |
| Elongation at break | ≤30 | 22.3 | % | — |
| Acid And Alkali Resistance H₂C₂O₄ NaOH 23°C 168H | ||||
| Change rate of tensile strength | < 30 | -20 | % | GB/T2951 |
| Elongation at break | 2100 | 121 | % | GB/T2951 |
| Change rate of tensile strength | < 30 | -19 | % | GB/T2951 |
| Elongation at break | 2100 | 118 | % | GB/T2951 |
| Resistance To Hydrolysis（80°C，168H） | ||||
| Change rate of tensile strength | ≤±30 | -23 | % | GB/T2951 |
| Elongation at break | ≤±30 | -22 | % | GB/T2951 |
| Volume resistivity at 20°C | ≥1.0×10^14 | 6.2×10^14 | Ω.cm | GB/T 1410 |
| Flame Retardant And Combustion Performance | ||||
| Hydrogen halide gas content | <5 | 0 | m/g | GB/T17650.1 |
| Combustion gas pH value | >4.3 | 5.8 | 一 | GB/T17650.2 |
| Combustion gas conductivity | <10 | 6 | us/mm | GB/T17650.2 |
| Flame retardant grade | VW-1 | VW-1 | UL1581 | |
| ROHS | The latest EU regulations | Conform to | \ | \ |
| REACH | The latest EU regulations | Conform to | \ | \ |
| HF | IEC61249-2-21:2003Limited value | Conform to | \ | \ |
Notes:
1. When the storage environment is humid or the surface quality requirements are high, the pellets can be placed in a hot air hopper at 90°C to dry for 1 to 2 hours.
2. The screw should be cleaned before extrusion to ensure the cleanliness of the product. It is recommended to use an 80-mesh or 100-mesh filter.
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