产品描述CONDENSATION OR REARRANGEMENT POLYMERIZATION PRODUCTS, WHETHER OR NOT CHEMICALLY MODIFIED, N.E.S., IN PRIMARY FORMS (EXCL. POLY OXY-1,4-PHENYLENESULPHONYL-1,4-PHENYLENEOXY-1,4-PHENYLENEISOPROPYLIDENE-1,4-PHENYLENE IN BLOCKS OF IRREGULAR SHAPE, LUMPS, POWDERS, GRANULES, FLAKES AND SIMILAR BULK FORMS AND POLY THIO-1,4-PHENYLENE)[展开]
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