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PEI (Polyetherimide)
Classification:
- Product description
- Specific applications
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PEIrefers to polyetherimide (Polyetherimide) abbreviation,is a thermoplastic engineering resin, appearing as an amber transparent solid, with inherent flame retardancy and low smoke without any additives, and an oxygen index of47%, the combustion grade isUL94-V-0level, density is1.28~1.42g/cm3.
PEIIt has strong high-temperature stability, even non-reinforcedPEI, still has good toughness and strength. Therefore, utilizingPEIits excellent thermal stability can be used to make high-temperature resistant components. It has excellent mechanical properties, electrical insulation properties, radiation resistance, high and low-temperature resistance, and wear resistance, and can be penetrated by microwaves.PEIIt also has good flame retardancy, chemical resistance, and electrical insulation characteristics. The glass transition temperature is very high, reaching215℃.PEIand has a very low shrinkage rate and good isotropic mechanical properties. Adding glass fiber, carbon fiber, or other fillers can achieve reinforcement modification; it can also form heat-resistant polymer alloys with other engineering plastics, which can be used for a long time at working temperatures of-160to180℃.
As an amorphous thermoplastic polyetherimide,PEIthe resin combines high performance and excellent processing characteristics, integrating high heat resistance with high strength, modulus, and a wide range of chemical corrosion resistance.
PEIMain characteristics
1,PEIthe Chinese name (polyetherimide) is an amber transparent solid,with good flame retardancy and low smoke,the combustion grade isUL94-V-0level.
2,PEIIt has strong high-temperature stability.high-temperature resistance,the heat distortion temperature reaches220℃,can be used in-160one180℃.
3, hydrolysis stability is good,high-temperature resistance,steam resistant;
4, polyetherimide has good UV resistance,Yray performance.
PEIAdvantages of the material:
•the continuous use temperature is180℃;
•it has flame retardant properties and produces low smoke when burned;
•excellent dimensional stability;
•shows outstanding strength and modulus at high temperatures;
•good UV radiation and hydrolysis resistance;
•visible light, infrared, and microwaves can all pass through;
•meets the requirements of the USFDAstandards.For details, please call: 159-8987-7778 or 133-7777-4387 -
PEIApplication fields
Due toPEIits excellent comprehensive balance performance, it is effectively applied in industrial sectors such as electronics, electrical engineering, and aviation, and is used as a metal substitute material for traditional products and cultural life supplies.
UsedPEIto replace metal in the manufacture of fiber optic connectors, which can optimize component structure, simplify manufacturing and assembly steps, and maintain more precise dimensions.
Used in the automotive field, such as for manufacturing high-temperature connectors, high-power car lights and indicators, sensors for controlling the external temperature of the car cabin (air conditioning temperature sensors), and sensors for controlling the temperature of air and fuel mixtures (effective combustion temperature sensors).
It can also be used as a vacuum pump impeller resistant to high-temperature lubricating oil erosion, in180℃operation of the steam generator's ground glass joint (connection interface), and the reflector of non-illuminating anti-fog lights.
For more details, please call: 159-8987-7778 or 133-7777-4387
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