... , MELTING POINT 97~103. SPECIFICATION: ASSAY (CONTENT) ≥ 98%INSOLUBILITY IN ETHYL ALCOHOL ≤ 0.1%VOLATILE MATTER ≤ 0.3%IRON(FE) ≤0.0005 ... ALSO USED FOR VESICANT OF PVC, POLYOLEFINE(PO), POLYURETHANE, POLYVINYL ALCOHOL, COPOLYMER OF VINYL CYANIDE, BUTADIENE AND STYRENE, POLYISOCYANATE, POLYVINYL ACETATE ...