PPSU Engineering Plastic Bar PPSU Engineering Plastic Bar PPSU Engineering Plastic Bar PPSU Engineering Plastic Bar Product Description PSU (Polysulfone)
PEI Polyetherimide PEI Polyetherimide PEI Polyetherimide Product Description Polyethersulfone is prepared by condensation of 4,4′ -bissulfonyl chloride diphenyl ether with