2. Different uses: PET plastic is suitable for electronic and electrical industries and automobile industries, and is used for various coil frames, transformers, TV sets, tape recorder parts and housings, automobile lamp holders, lampshades, incandescent lamp holders, relays, selenium rectifiers, etc. PVC (polyvinyl chloride) is widely used in building materials, industrial products, daily necessities, floor leather, floor tiles, artificial leather, pipes, wires and cables, packaging films, bottles, foaming materials, sealing materials and fibers.
3. Different properties: Generally, PET resin is ivory translucent or colorless transparent body, with a relative density of 1.38 and a light transmittance of 90%. PVC (polyvinyl chloride) is a white powder with amorphous structure and low branching degree, and its relative density is about 1.4.
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Glass fiber reinforced PET is suitable for electronic appliance industry and automobile industry, and is used for various coil formers, transformers, televisions, tape recorders, automobile lamp holders, lampshades, incandescent lamp holders, relays, selenium rectifiers, etc. At present, the consumption proportion of PET engineering plastics in several application fields is: electrical appliances and electronics 26%, automobiles 22%, machinery 19%, household appliances 10%, consumer goods 10% and others 13%. At present, the total consumption of PET engineering plastics is still very small, accounting for only 1.6% of the total PET.
1. Film sheet: all kinds of food, medicine, non-toxic and aseptic packaging materials; High-grade packaging materials for textiles, precision instruments and electrical components; The base materials of audio tapes, video tapes, cinematographic films, computer floppy disks, metal coatings and photographic films; Electrical insulation materials, capacitor films, flexible printed circuit boards, film switches and other electronic and mechanical fields.
2. Application of packaging bottles: Its application has developed from carbonated drinks to beer bottles, edible oil bottles, condiment bottles, medicine bottles and cosmetic bottles.
3. Electronic appliances: manufacturing connectors, bobbins, integrated circuit housings, capacitor housings, transformer shell, TV accessories, tuners, switches, timer housings, automatic fuses, motor brackets and relays.
References:
Baidu encyclopedia-pet plastic
Baidu encyclopedia -PVC