Polyetherimide (PEI)


Polyetherimides (PEI) belong to the polyimides and is polymer with imide and ether groups in the main chains. They are resistant to high temperatures, transparent and have a golden yellow color. PEI is one of the high-performance plastics. Polyetherimides (PEI) are sold in pure form and with various additives (glass fibers, carbon fibers). Polyetherimides are mainly processed by injection molding.

Properties of PEI

  • Inherently flame retardant with low smoke development
  • High strength
  • Dielectric strength
  • UV and gamma rays resistant

Applications of PEI

Plastic parts for electronics and aircraft industry, aircraft interior, membranes.

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