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| In stock: | Yes | Authentication: | Standard Level |
| Type: | TPU | Grade: | Covestro Germany |
| Processing Level: | Hollow grade, extrusion grade, rotomolding grade | Feature Level: | Enhanced |
| Usage Level: | Food Grade | Model: | 1209 |
| Specifications: | 25kg | Trademark: | Standard Level |
| Packaging: | Standard Level |
"TPU Texin 1209 70 Degree Polyether Sneaker Sole" Details
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TPU (Thermoplastic Polyurethane), has the characteristics of viscosity and elasticity. During molding, the film will stick together and shrink, resulting in uneven curling. In addition, the TPU film is prone to crystal points in the production process, and the processing technology can solve these problems. It has wear resistance, good tear resistance, good bending strength, high tensile strength, high elongation at break, low temperature resistance (-50℃), low long-term compression deformation rate, oil resistance, aliphatic solvent resistance, hydrocarbon solvent resistance, It is resistant to oxygen and odor and has anti-aging properties. Single-layer TPU blown film processing technology.
1. Wear resistance
When the material is often subjected to mechanical actions such as friction, scraping, and grinding during the use process, it will cause its surface to gradually wear away, so the selection of wearability of the material is very important. TPU plastic material has excellent wear resistance, which is five times more wear-resistant than natural rubber. It is one of the materials for wear-resistant products.
2. Tensile properties
Tensile strength up to 70MPa, elongation at break up to 1000%.
3. Tear performance
The damage of the elastomer due to the expansion of the crack during application is called tearing. The tear strength is the ability of the material to resist tearing; in general, TPU has a high tear resistance, and the tear strength is the same as Some commonly used rubber and plastic comparisons are very excellent.
4. Inflection performance
Many plastic materials are prone to fracture under repeated cyclic stress. TPU products can maintain the inflection resistance properties in different environments, which is one of the choices of polymer materials.
5. Hydrolysis resistance
TPU has good water resistance under turbidity, and will not undergo significant hydrolysis within 1 to 2 years, especially for polyether series. Polyester series will be completely decomposed if soaked in water at 50℃ for half a year, soaked at 70℃ for 3 weeks or soaked at 100℃ for 3 to 4 days. This is one of the reasons why TPU is suitable as an environmentally friendly material. It is recommended to use polyether series.
6. High temperature and oxidation resistance
General plastic raw materials are easily oxidized in the environment above 70℃ for a long time, and TPU has good oxidation resistance; generally speaking, the temperature resistance of TPU can reach 120℃.
7. Oil resistance and chemical resistance
TPU is a kind of strong polar polymer material, which has little affinity with non-polar mineral oil. ) is almost not corroded; among them, polyester series of TPU products have better oil resistance; TPU films and sheets have little volume change to grease, and the tensile strength is even higher than the original initial value; it should be noted that If there is a small amount of water in the mineral oil, it will have a negative impact on the physical properties of the film to varying degrees.
8. Low temperature performance
TPU has very good low temperature resistance, usually reaching -50°C, which can replace the general PVC in various fields that cannot be used due to low temperature embrittlement, and is especially suitable for products related to the cold zone.
9. Air tightness
TPU is very easy to use high frequency or hot pressure to weld, so it is widely used in inflatable products. The gas coefficient refers to the rate at which gas permeates the specified area of the sample under a certain temperature and pressure. The permeability of the same material to different gases sometimes varies greatly. Generally speaking, polyester series products are more airtight than polyether series.
10. Biomedical properties
TPU has biocompatibility, , no allergic reaction, no local irritation, no pyrogen, so it is widely used in medical, health and other related products as well as sports and protective equipment.
