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item: PEI Lenses
this kind of Lense is made of PEI , which have a very
beautiful colour, clear amber .and the Lense have 1.highlighted heat-resistant
2.good toughness
3.high hardness
4.excellent electricitz propertz
Polyetherimide (PEI) is an amorphous, amber-to-transparentthermoplastic with characteristics similar to the related plasticPEEK. Relative to PEEK, PEI is cheaper, but less temperature-resistant and lower in impact strength.
PEI property
The glass transition temperature of PEI is 216 °C. Its amorphousdensity at 25 °C is 1.27 g/cc. It is prone to stress cracking inchlorinated solvents.
DESCRIPTION OF PEI
ASTM or UL test | Property | PEI unfilled |
D792 | Density (lb/in³) | 0.046 |
D570 | Water Absorption, 24 hrs (%) | 0.25 |
D570 | Water Absorption, Saturation (%) | 1.25 |
MECHANICAL | ||
D638 | Tensile Strength (psi) | 16,500 |
D638 | Tensile Modulus (psi) | 500,000 |
D638 | Tensile Elongation at Break (%) | 80 |
D790 | Flexural Strength (psi) | 20,000 |
D790 | Flexural Modulus (psi) | 500,000 |
D695 | Compressive Strength (psi) | 22,000 |
D695 | Compressive Modulus (psi) | 480,000 |
D785 | Hardness, Rockwell | M112 / R125
|
D256 | IZOD Notched Impact (ft-lb/in) | 0.5 |
PEI CONNECTOR application
1.Electronic industry
2.Aviation industries
3.Medical device components
our company supply
Pei parts,Pei engineering plastic parts,Pei auto electric parts,Peiprecision machine part,pei bar,
PEI plastic mould maker,PEI electronic precision part mould,Lense, PEI Lense
Photos of the other plastic
Certification
About our factory
Any questions just contact us,we will try our best to help you,thanks!
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