Polyethylene terephthalate, chemical formula is [COC6H4COOCH2CH2O]n.(English: Polyethylene terephthalate, or PET), by dimethyl terephthalic acid and ethylene glycol ester exchange or with terephthalic acid with ethylene glycol ethyl esterification, synthesis of terephthalic acid double hydroxyl first, and then made for polycondensation reaction.It is a crystalline saturated polyester, milky white or light yellow, highly crystalline polymer with smooth and shiny surface.Is a common resin in life, can be divided into APET, RPET and PETG.
Application
Main applications for electronic appliances: electrical socket, electronic connector, rice cooker handle, TV yoke, terminal, off electrical shell, switch, motor fan shell, instrument mechanical parts, cash register parts, electric iron, electromagnetic oven parts;Flow control valve, carburetor cover, window controller, pedal transmission, switchboard cover;Machinery industry gear, blades, pulley, pump parts, in addition to wheelchair body and wheels, lamp housing, illuminator housing, drainpipe joints, zippers, clock parts, sprayer parts.
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