TPE charging pile cable sheath material is made of high-purity resin as the base material, with halogen-free flame retardants, antioxidants, etc. mixed and extruded into granules. It has excellent performance such as halogen-free, heat-resistant, and weather-resistant, has no precipitation pollution, meets the relevant requirements of ROHS, and is easy to extrude and process.
Suitable for the production of outer sheath and insulation layer of charging pile cables required by GB/T 33594 standard.
| Test items | Value | Typical Value | Unit | Method |
| Hardness | 80±3 | 80 | A | GB/T 2411 |
| Specific gravity | 1.02±0.05 | 1.02 | g/cm3 | GB/T 1033 |
| Heat resistance grade | 105 | 105 | °C | — |
| Volume resistivity at 20°C | ≥10^14 | 6.2×10^14 | Ω.mm | GB/T 2951 |
| Tensile strength before aging | ≥10 | 12.5 | Mpa | GB/T 2951 |
| Elongation before aging | ≥300 | 580 | % | GB/T 2951 |
| Performance After Aging135℃×168H | ||||
| Tensile strength after aging | ≥10 | 13.75 | Mpa | GB/T2951 |
| Tensile strength change rate | ≤±25 | 10 | % | GB/T2951 |
| Elongation after aging | ≥300 | 480 | % | GB/T2951 |
| Elongation at break change rate | ≤±25 | -17 | % | GB/T2951 |
| Tear resistance | ≥20 | 35 | N/mm | GB/T 33594 |
| Low-temperature embrittlement -40°C 16H | -40°C | PASS | \ | GB/T 5470 |
| Weather resistance (720H, UV irradiation) | No Cracks | PASS | \ | GB/T 33594 |
| Tensile strength change rate | ≤30 | 15.2 | % | \ |
| Elongation at break change rate | ≤30 | 22.3 | % | \ |
| Acid And Alkali Resistance (oxalic acid, NaOH, 23°C, 168H) | ||||
| Change rate of tensile strength after acid resistance | ≤±30 | -20 | % | GB/T 2951 |
| Elongation at break after acid resistance | ≥100 | 121 | % | GB/T 2951 |
| Change rate of tensile strength after alkali resistance | ≤±30 | ±19 | % | GB/T 2951 |
| Elongation at break after alkali resistance | ≥100 | 118 | % | GB/T 2951 |
| Hydrolysis Resistance（80°C，168H） | ||||
| Change rate of tensile strength after water resistance | ≤±30 | -23 | % | GB/T 2951 |
| Elongation at break after water resistance | ≤±30 | -22 | % | GB/T 2951 |
| Surface resistance | ≥109 | 1010 | \ | GB/T33594 |
| Finished product flame retardant | Single vertical burning | PASS | \ | GB/T33594 |
| ROHS | The latest EU regulations | PASS | \ | \ |
| REACH | The latest EU regulations | PASS | \ | \ |
| HF | IEC61249-2-21:2003 Limit Value | PASS | \ | \ |
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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