Date:2019-2-18 17:04:38 Number of visits:
1. Wear resistance
When the material is often used in the process of friction, grinding, grinding elastic belt and other mechanical effects, will cause its surface gradually wear, so the material woven material selection wear is very important. TPU plastic raw materials wear resistance is excellent, more than five times the wear resistance of natural rubber, wear-resistant products is one of the preferred materials.
2. Tensile properties
The tensile strength was up to 70MPa, and the elongation at break was up to 1000%.
3. Tearing performance
When the elastomer is used, it is called tearing because of the damage caused by the widening of the fracture. In general, TPU has a high tear resistance, tear strength and some commonly used rubber and plastic is very excellent.
4. Bending performance
Many plastic materials are prone to fracture under repeated cyclic stress, and TPU products can maintain excellent flexural resistance in different environments, making them one of the best choices among polymer materials.
5. Hydrolysis resistance
The water resistance of TPU under turbidity is good, and no obvious hydrolysis will occur in 1-2 years, especially the polyether series. Polyester series in 50 ℃ water soak for half a year or immerse 3 weeks or 100 ℃ 70 ℃ for 3 ~ 4 days, can complete decomposition, this is one of the reasons for the TPU for environmental protection material, need to frequent contact with the water products, polyether series is recommended to be used.
6. High temperature resistance and oxidation resistance
General plastic raw materials under the environment of above 70 ℃ for a long time easy oxidation, TPU good antioxidant capacity; Generally TPU resistant up to 120 ℃.
