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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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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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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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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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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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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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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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Causes and solutions of fish eye in TPU extrusion
Nov 12 , 2021
TPU film is formed by extrusion processing of TPU particles, mainly including blow molding, casting, calendering and extrusion coating. blown TPU film can be used for shoe materials, waterproof and transparent clothing fabrics, medical and defense supplies, weapon packaging, tents, sports and leisure equipment, sanitary napkins, toys, and civilian daily necessities packaging. It is the most widely...
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TPU a well adapted material for the calendering of conveyor belts
Nov 05 , 2021
Thermoplastic polyurethane (TPU) bridging the gap between rubber and plastics, this elastomer is particularly versatile. Its toughness and safer for health and our environment properties make it a well adapted material for the the coating of conveyor belts. Thermoplastic polyurethane (TPU) is widely used in coating conveyor belts as it offers: High flexibility even at low temperatures (down to -30...
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Classification and characteristics of conveyor belts
Oct 29 , 2021
It’s common for belts to have three layers: a top cover, a carcass, and a bottom cover. Conveyor belt can be generally divided into rubber belt and Lightweight belt, according to the different material of the top cover layer. Top cover layer material of rubber belt is various natural rubbers or synthetic rubbers. Top cover layer material of Lightweight belt is various polymer materials, such as PV...