TUP mobile phone case introductionPublished time:2019-10-28 Reading times:8
TPU is the main material for making water jackets. It is the abbreviation of Thermoplastic Urethane thermoplastic polyurethane elastomer. The so-called elastomer refers to the polymer with better glass transition temperature than room temperature, elongation at break >50%, and good recovery after external force removal. material. Polyurethane elastomers are a special class of elastomers. Polyurethane elastomers have a wide range of hardness and a wide range of properties, so polyurethane elastomers are a class of polymer materials in rubber and plastics. It can be heated and plasticized. There is no or little cross-linking in chemical structure. Its molecules are basically linear, but there is a certain physical cross-linking. This type of polyurethane is called TPU.
TPU as a kind of elastomer is a kind of material between rubber and plastic. It is resistant to oil, water and mold. The load-bearing capacity, impact resistance and shock absorption performance of TPU products are outstanding. TPU belongs to the plastic category. The product is made by the injection molding process. After melting a plastic rice of a grain, it is injected into a plastic mold with a barrel to make a product.
Advantages: high wear resistance, high strength, outstanding cold resistance, oil resistance, water resistance, mildew resistance, good flexibility
Insufficient: easy to deform, easy to yellow
From the feel of the hand, the hardness of the general TPU will be harder than that of the silica gel, and the elasticity of the hand is strong, and the elasticity of the silica gel is slightly worse. From the outside, the TPU can be made very transparent. Silicone is not allowed. The most transparent one is very embarrassing like a thick fog. It is because of this transparent feeling of TPU that it is now more popular with users. Moreover, TPU products are still high-grade, and they are more selective and have more pattern changes than silica gel.
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