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　　The processing method of TPE covered PC.

　　The processing method of TPE covered PC. 　　TPE overmolded PC, generally using the usual molding method, that is, two sets of molds, one set first injection molding PC products, the other set of molds (called overmolded molds) for injection molding TPE rubber overmolded to the surface of PC products. This kind of molding method is called secondary injection molding, overmolding or embedded injection molding. There are also more advanced two-color injection molding machines to process, the result is the same, through the injection molding method, the TPE and PC good composite bonding together. The injection molding temperature for overmolding varies depending on the hard plastic material used for overmolding.

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Top ten applications of TPE wrapping material

　　The importance of overmolding, in order to make customer satisfaction, technology produced products, all in accordance with customer needs to produce, because the TPE overmolding layer thickness and size ratio is very small, TPE should have good flowability, TPE. 　

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Analysis of adhesion of TPE covered ABS, PA, PC, PP and other materials

　　The key point of TPE overmolding (secondary injection molding) is to make the TPE and the covered substrate (hard plastic, so called) PP, ABS, PC, PA, etc. to be well covered and bonded. In order to make TPE and hard plastic bond well, according to the principle of chemical compatibility, the key is that TPE and hard plastic should have similar polarity, so that TPE and hard plastic can be fused at the molecular chain level. Therefore, the type of hard plastic determines the formulation of TPE, and the secondary injection molding process (such as the temperature of the secondary injection, etc.) directly affects the adhesion of TPE and hard plastic. The following detailed analysis:

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TPE｜TPR injection molding product color difference control should pay attention to the six aspects

　　Color difference is a common defect in TPE injection molding, and it is not uncommon to see batches of injection molded products scrapped due to the color difference of matching parts. Not considering the subjective factor of different people's visual perception of color differences, there are many objective factors affecting the color difference of TPE|TPR products, including TPE raw materials, color masterbatch (or color powder), mixing of color masterbatch with TPE raw materials, injection molding process, injection molding machine, mold, etc.. Because of the wide range of factors involved, the color difference control is one of the more difficult techniques to master in TPE color matching injection molding. In the actual production process, we generally control the color difference of TPE products from the following six aspects.

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TPEE toughening modification of various plastics

TPEE has the elasticity of rubber and the strength of engineering plastics, but also has good flexibility, high melt stability, low melt viscosity, can be used to improve other plastics high and low temperature impact strength (toughness), flexibility and blending system compatibility, but also can provide some flexibility. As TPEE contains ester bonds, polar polymers, thus TPEE can be used to modify polar POM, PBT, PET, etc., can also be blended with PVC, and PP, polyacetal and CO-olefin alternating copolymers, or blended with other elastomers, etc., used to improve the impact toughness of these products::

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TPE 60 degree adhesive material characteristics and applications

　　TPE 60 degree rubber is a special engineering plastic modified by blending SEBS rubber with other components, which has the elasticity and wear resistance of rubber and the thermoplasticity of plastic, and can be easily injected, extruded, blow molded and saliva molded. Material hardness range ShoreA0~100 degrees, of which 60 degrees (60A) is very common material use applications. Its application can be divided into three categories, TPE soft rubber material in the process of blending modification does not introduce toxic components, is environmentally friendly materials. No halogen, no NP, no PAHs, no phthalates (16P, 6P). Comply with ROHS, REACH, EN71, ASTMF963 environmental testing standards.

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TPE｜There is a deviation between the hardness of the finished TPR injection molding product and the hardness of the raw material?

　　The problem as described in the title is not reasonably likely to occur. The same material, whether raw or processed into products, the hardness must not change. For the hardness is soft? Estimated that there are the following two factors. 　

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What is the role of TPE/TPR thermoplastic elastomer resin

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TPE｜TPR Melting Index and its influencing factors

　　Concept 　　Melt index, also known as MI, is a physical parameter that measures the flowability of a material (usually a rubber or plastic material) under certain temperature and pressure conditions, usually in g/10min. 　

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