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ПВА 1788

PVA 1788 Polyvinyl Alcohol is a few kind of synthetic with water soluble high-molecular polymer.  The main specification includes degree of polymerization &alcoholysis and other special performance. Polyvinyl Alcohol is manufactured by polymerization of vinyl acetate in methanol solvent, then undergoing alcoholysis via advanced belt-process of low-alkali. After grinning, drying and packing, the end PVA […]