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Zhejiang
Long-term effective
2020-03-17 18:09
310
Company Profile
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Area：Zhejiang
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Website：http://www.foilfilmtape.net/ http://jxtaisheng.web-86.com/
Introduction
Polyester film (PET) is a thick film made from polyethylene terephthalate by extrusion and then biaxially stretched. Polyester film environmental protection film PET film milky white film and other printing and packaging supplies are widely used in fiberglass industry building materials industry printing industry medicine and health. Polyester film is also called polyester film light film polyester film photosensitive paper polyester film styrene tin film cellophane release film.
Polyester Laminate Tape is usually a colorless, transparent, glossy film (additive particles can now be added to make it have color), excellent mechanical properties, high rigidity, hardness and toughness, puncture resistance, friction resistance, high temperature and low temperature resistance. Chemical resistance, oil resistance, air tightness and fragrance retention are good, so it is one of the commonly used barrier composite film substrates.
Insulating plate generally refers to the organic polymer compounds with two or more epoxy groups in the molecule, except for a few, their relative molecular weight is not high. The molecular structure of epoxy resin is characterized by the presence of active epoxy groups in the molecular chain, which can be located at the end, middle or cyclic structure of the molecular chain. Because of the active epoxy groups in the molecular structure, they can cross-link with various types of curing agents to form insoluble and infusible polymers with three-dimensional network structure.
There are many forms. Various resins, curing agents and modifier systems can almost meet the requirements of various applications, ranging from very low viscosity to high melting point solids.
Easy to solidify. Using different curing agents, the epoxy resin system can almost be cured in the temperature range of 0 ℃ to 180 ℃.
Strong adhesion. The existence of polar hydroxyl groups and ether bonds in the molecular chain of epoxy resin makes it have high adhesion to various substances. The shrinkage of epoxy resin during curing is low, and the internal stress is small, which also helps to improve the adhesion strength.
Low contractility. The reaction of the epoxy resin with the curing agent is carried out through the direct addition reaction or the ring-opening polymerization of the epoxy group in the resin molecule without the release of water or other volatile by-products. Compared with unsaturated polyester resin and phenolic resin, they show very low shrinkage (less than 2%) in the curing process. Mechanical properties. The cured epoxy resin system has excellent mechanical properties.
Application
Our Polyester Laminate Tape has the characteristics of high tensile strength, high dielectric constant, low loss factor, good thickness uniformity, good electrical performance, large electrical resistance and so on. Polyester Laminate Tape has been widely used in capacitor dielectric and insulation.
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