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What is the material of TPU phone case? Will it turn yellow?
Release time:
2020/08/03
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What is the material of TPU phone case? Will it turn yellow?
Many users will give the phone with a "jacket" (phone case), so that accidentally dropped, can largely reduce the damage, these cases are also a variety of materials, such as silicone, plastic, resin, TPU, etc.. Today, Shangri-Li is going to explain the knowledge of TPU material phone case, mainly to answer the question of what material is TPU phone case? Is it soft? Will it turn yellow? How to do if it turns yellow?
What is TPU phone case material?
Polyurethane thermoplastic elastomer (TPU), also known as polyurethane rubber, belongs to a class of elastic polymer materials containing more carbamate groups (-NHCOO-) in the molecular chain. It is a plastic material that can be softened or changed repeatedly under certain heat, while at room temperature it can keep its shape unchanged can play the role of support and protection, and is widely used in shoe materials, adhesives, pipes, films, synthetic leather, wires and cables, instrument panels, cell phone cases, medical bandages, etc. If you are careful enough, you can find it on the fabric logo of some clothes and shoes. With the enhanced performance of TPU materials, sports equipment and shoes are increasingly inclined to TPU products, especially UV-resistant and transparent materials. Therefore, TPU materials have great potential for development in the field of sporting goods and sports footwear materials.
Is TPU phone case hard or soft?
TPU cases are soft, but silicone is a little harder and stronger, TPU is a block copolymer, and the ratio of hard to soft components determines the performance of TPU. TPU has excellent flexibility and resilience, from very soft to very hard, from good flexibility to great rigidity, or from hydrophilic type that can absorb moisture to water-repellent type that repels water, and maintain high elasticity in a wide range of hardness (Shore A10-D75), and in the same hardness Under the same hardness than other elastomers bearing capacity.
Will TPU phone case turn yellow?
Yes, if you buy a light color case such as transparent or white, it will turn yellow after three or four months at most. But if it only turns yellow without fogging or sticking to your hands, it means the quality of TPU case you bought is still good. The TPU case becomes yellow how to do? Either change, or stickers, or turn a blind eye.
TPU phone case yellowing and the choice of raw materials have a relationship, aliphatic anti-aging properties than aromatic some good, in addition, you can add antioxidants and anti-UV additives to improve the problem of yellowing.
The above is about TPU cell phone case is what material? Is it soft? Although TPU phone case will turn yellow, I still choose TPU case because it has high transparency and high wear resistance, outstanding bearing capacity, impact resistance and shock absorption performance.
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