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How to solve degumming and unsticking problem of mobile phone cover that made by TPU plastic over-moulding PC
Nov 19 , 2021
The mobile phone case are mainly divided into soft shell and hard shell depend on the kind of material. The material of soft shell is mainly silicon and transparent TPU. The material of hard shell is mainly PP, PC, glass, leather and so on. TPU transparent soft mobile phone case: TPU is a kind of elastomer material between rubber and plastic. It is resistant to oil, water and mould. TPU...
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Why transparent TPU products turn yellow over time and how to deal with it
Nov 26 , 2021
Most of the transparent products on the market are made from a material known as thermoplastic polyurethane, or TPU. TPU is widely used in daily necessities, sporting goods, toys, decorative materials and other fields. TPU products are durable and flexible thanks to the good elasticity, abrasion resistance and oil resistance features of TPU material. Divided by the difference material, there are m...
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Requirements for TPU materials in the automated production of mobile phone
Dec 03 , 2021
The manipulator of injection molding machine can be used for automatic nozzles, in-mold inserts, in-mold labeling, out-of-mold assembly, shaping, sorting, stacking, product packaging, mold optimization, etc. Manipulator of the injection molding machine is more and more widely used to lower the cost of labor. The application of automatic plastic molding is widely applied. Injection product quality ...
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How to control the chromatic aberration of TPU injection molded products
Dec 10 , 2021
Color difference is a common defect in TPU injection molded products. TPU injection products may be scrapped in batches due to chromatic aberration. There are many factors affecting chromatic aberration, involving raw material TPU resin, color masterbatch, the mixing of material and color masterbatch, injection molding process, injection molding machine, mold, etc. It’s difficult to control the co...
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Classification of TPU air cushion and precautions in the production process
Dec 17 , 2021
At present, the most commonly plastic materials used for air cushions are polyurethane (PU), polyvinyl chloride (PVC), and thermoplastic polyurethane (TPU). The following mainly introduces the thermoplastic polyurethane stretch tube air cushion and the thermoplastic polyurethane oil-gas cushion. Thermoplastic polyurethane is a polymer material that has both rubber elastic properties and plastic pl...
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The function and production process of TPU air cushion shoe sole
Dec 31 , 2021
Air-cushioned shoes refer to an air storage cavity between the upper part of the sole and the lower part of the sole. The air storage cavity and the air inlet and outlet channels ventilate each other. The air inlet pores is vertically set at the rear end of the shoe. The air outlet pores are horizontally set on the upper part of the shoe sole. The main difference between air cushion shoes and ordi...
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How to set the production temperature of TPU injection products
Jan 07 , 2022
TPU thermoplastic is melted and flowed by heating then cooled to form a certain shape products. Sufficient pressure and good control of the flow state are the keys to produce uniform and excellent physical properties TPU injection products. Compared with PVC and ABS, TPU has a strict processing temperature range. If the temperature is too high, the viscosity will decrease, the resin melt will flow...
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TPU film used in medical, textile and shoe materials
Jan 14 , 2022
TPU films are mainly processed by extrusion, calendering and blow molding. TPU films with thicknesses ranging from several microns to several millimeters. TPU is a block copolymer consisting of alternating soft and hard segment sequences. It can adjust the ratio of soft and hard segments to achieve various hardness and elasticity changing. Therefore, polyurethane film has excellent tension strengt...
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2021 TPU price analysis and 2022 TPU price trending
Feb 18 , 2022
2021 will be an extraordinary year for the TPU industry. The TPU market price greatly raised as the skyrocketing price of raw materials and reaching the highest level in recent years. As below TPU market price chart of 2019-2021 show, the price fluctuation of TPU in 2021 is much larger than that in 2019 and 2020. At the beginning of 2021, with the large-scale implementation of the plastic restrict...
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