5대 범용 EP; Polyamide(N6,N66) Polyacetal(POM) Polycarbonate(PC) Polybutylenetereph -thalate(PBT) Modified Polyphenylene -Ether(MPPO) 특수 EP;; Polysulfone(PSF) Polyether sulfone(PES) Polyarylate(PAR) Polyphenylene sulfine ...
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