| After-sales Service: | Technical Support |
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| Warranty: | 1year |
| Customized: | Customized |
| Certification: | ISO14001, ISO9001, ISO22163;ISO45001 |
| Type: | Train Bogie |
| Transport Package: | Polybag-Paper Carton-Wooden Case |
| Customization: |
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| Number | Performance point | Indicator | Unit | Reference Standard |
| 1 | Hardness (Shore A) | 50±5 | Shore A | GB/T 531.1 |
| 2 | Tensile Strength | ≥14 | MPa | GB/T 528 |
| 3 | Elongation at break | ≥400 | % | GB/T 528 |
| 4 | Tear strength without incision | ≥26 | kN/m | GB/T 529 |
| 5 | Metal to rubber bond strength | ≥4 | MPa | GB/T 11211 |
| 6 | Constant compression set(Type A, 70ºC×72h) | ≤30 | % | GB/T 7759 |
| 7 | Low temperature brittleness temperature | ≤-50 | ºC | GB/T 1682 |
| 8 | Hot air aging (70ºC×24h) Hardness change | ≤7 | Shore A | GB/T 3512 |
| Hot air aging (70ºC×24h) Tensile strength change rate | ≥-25 | % | GB/T 3512 | |
| Hot air aging (70ºC×24h) Standardized rate of elongation at break | 25 | % | GB/T 3512 | |
| 9 | DIN wear | ≤200 | mm³ | GB/T 9867 |
| 10 | Ozone aging resistance (40ºC×24h, 50pphm, relative humidity≤65%, pre-extension 5%) | No cracks | / | GB/T 7762 |
| 11 | Compression creep performance, creep increment (70ºC×72h) | ≤0.045 | mm/mm | GB/T 19242 |
| 12 | Oil resistance, mass change rate (70ºC×72h, No. 1 oil) | ≤80 | % | GB/T 1690 |
| 13 | Cleaning agent resistance, hardness change (50ºC×72h, 5% oxalic acid aqueous solution) | ±5 | Shore A | GB/T 1690 |
In accordance with the requirements of relevant government departments, we solemnly promise that if the product price, production date, description, picture description, customer service description and other factors cause misleading, ambiguity, and association to consumers' actual purchase, our store is willing to communicate and negotiate to solve it. Once the buyer purchases the products of our store and pays successfully, it is deemed that the buyer has and agreed to take the seller's place of delivery as the place of performance of the contract between the two parties.
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Suppliers with verified business licenses
Audited Supplier 
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