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.
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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