Product Description
Name：Polyethylene terephthalate；
Mainly including poly(ethylene terephthalate) PET and poly (tetramethylene terephthalate) PET;
Chemical formula:(C10H8O4)n;
Molecular weight:192.1692 (monomer);
CAS:25038-59-9;
EINECS:607-507-1;
Properties: milk white translucent or colorless transparent body;
Density:1.38;
Transmittance:90%;
The transmission coefficient of O2:50～90cm3·mm/(m2·d·MPa);
The transmission coefficient of CO2:180cm3·mm/(m2·d·MPa);
Water absorption:0.6%;
Embrittlement temperature:－70℃;
Characteristic:higher film-forming, good optical properties and weatherability, good optical transparency, excellent wear friction, excellent dimensional stability, excellent electrical insulation, the tensile strength is very high, good vermicular resistance, good fatigue resistance, good friction resistance, high hardness, good electrical insulation performance, less affected by temperature, etc;
Properties:A highly crystalline polymer of milky white or light yellow, the surface is smooth and lustrous and nontoxic;
Application:
1. Thin film sheet:food, medicine, nontoxic and aseptic packaging materials;high grade packaging materials for textiles, precision instruments and electrical components;tapes, videotapes, film films, computer floppy discs, metal films and photographic films and other base materials;Electrical and mechanical fields, such as electrical insulation materials, capacitor films, flexible printed circuit boards and film switches;
2. Packing bottle:carbonated beverage bottle, beer bottle, edible oil bottle, condiment bottle, drug bottle, cosmetic bottles, etc;
3. Electronic appliances:connector, coil winding tube, integrated circuit shell, capacitor shell, transformer shell, TV accessories, tuner, switch, timer shell, automatic fuse, motor bracket, relay, etc;
4. Auto parts:distribution disc hood, ignition coil, various valves, exhaust parts, distributor cap, measuring instrument housing, small motor hood, the car's outer parts, etc;
5. Mechanical equipment:gear, cam, pump shell, pulley, motor frame and clock parts, etc.
