PET sheet related characteristics is introduced
PET plank is English Polyethylene terephthalate, or PET plate or PETP board. Chinese meaning is: plastic products, hereinafter referred to as polyester plate.
ingredients including polyethylene terephthalate oxalic ester PET and polyethylene terephthalate succinic ester PBT. Polyethylene terephthalate, commonly known as polyester resin, commonly known as polyester resin. It is a condensation polymer of terephthalic acid with ethylene glycol, collectively known as thermoplastic polyester with PBT, or saturated polyester. The current PET and PBT as thermoplastic polyester, become one of the five engineering plastics. PET sheet
the main features:
mechanical strength, stiffness, high hardness. Sliding resistance and good wear resistance strength, good electrical insulation, good resistance to creep properties, excellent wear resistance of low and stable friction coefficient, Compared with nylon is better) , very good dimensional stability, Is better than that of POM) , the physical inert ( Suitable for contact with food) 。 Climate resistance, resistance to chemical stability is good, bibulous rate is low, resistance to dilute acid and organic solvents, but not hot water immersion, not alkali resistance.
PET sheet application fields:
it is widely used in textile, papermaking, food, machinery, transportation, port, medical, coal, chemical industry, etc. Bearing, guide food processing machine head, piston, screw roll of foods such as fixture, spare parts, precision machine bearings, electrical insulating materials.
key performance indicators:
1. 39 g/cm3
heat resistance ( Continuous) 115 ° C
heat resistance ( A short time) 160 ° C
line thermal expansion coefficient ( 23 - Average 100 ° C) 60 x10 - 6 m/( m。 k)
combustibility ( UL94) The water absorption of HB
( 23 ° C water soak for 24 hours) 6%
bending tensile stress is 90 mpa
breaking tensile strain 15%
3700 mpa tensile elastic modulus
- 1% / 2% normal strain compression stress 26/51 mpa
pendulum notch impact test 2 kj/m2
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