The PET rod is a milky white or yellowish highly crystalline polymer with a smooth and shiny surface. Product name PET rod is the abbreviation of English Polyethylene terephthalate, referred to as PET rod or PETP rod. The Chinese meaning is: polyterephthalic acid plastic, referred to as polyester rod. Creep resistance, fatigue resistance, friction resistance and dimensional stability, low abrasion and high hardness, have the greatest toughness among thermoplastics; good electrical insulation performance, low temperature influence, but poor corona resistance. Non-toxic, temperature resistance, good chemical resistance stability, low water absorption, resistance to weak acids and organic solvents, but not immersed in hot water and alkali.
PET rods are mainly extruded with polyester raw materials at high temperature through an extruder, and extruded through different diameters of abrasive tools to obtain rods of different thicknesses. The ingredients mainly include polyethylene terephthalate PET and polybutylene terephthalate PBT.
Polyethylene terephthalate is also commonly known as polyester resin, commonly known as polyester resin. It is a polycondensate of terephthalic acid and ethylene glycol. Together with PBT, it is collectively referred to as thermoplastic polyester, or saturated polyester. In 1945, the United Kingdom issued the first patent for preparing PET. In 1949, the British ICI company completed the pilot test, but after the United States DuPont purchased the patent, the production facility was established in 1952, which was the first to realize industrialized production in the world. In the early days, almost all PET polymers were used in synthetic fibers, commonly known as polyester in our country, which is indeed good. Since the 1980s, PET has made breakthroughs as engineering plastics, and nucleating agents and crystallization accelerators have been successively developed. At present, PET and PBT together as thermoplastic polyesters have become one of the five major engineering plastics.
Main features
High mechanical strength, rigidity and hardness. Good sliding performance and abrasion resistance, good electrical insulation, very good creep resistance, low and stable friction coefficient, excellent abrasion resistance (better compared to nylon), very good dimensional stability (better than POM), physiological inertness (suitable for contact with food). Weather resistance, chemical resistance, good stability, low water absorption, resistance to weak acids and organic solvents, but not immersed in hot water and alkali.
High mechanical strength, rigidity and hardness. Good sliding performance and abrasion resistance, good electrical insulation, very good creep resistance, low and stable friction coefficient, excellent abrasion resistance (better compared to nylon), very good dimensional stability (better than POM), physiological inertness (suitable for contact with food). Weather resistance, chemical resistance, good stability, low water absorption, resistance to weak acids and organic solvents, but not immersed in hot water and alkali.
Application field
It is widely used in industries such as textile, papermaking, food machinery, transportation, wharf, medical treatment, coal mine, chemical industry and so on. Bearings, guides, food processing machine heads, pistons, screw rolls and other food fixtures, parts, precision machine bearings, electrical insulating materials, etc.
The above is about the dynamics of PET plastic rods. If you want to know more news and developments, you can click on our official website. Our company also sells POM Plastic Sheet, PEI Plastic Sheet, Abs Plastic Sheet, PEEK Plastic Sheet, PA Plastic Sheet and PC Plastic Sheet, welcome all customers to come to consult.
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