... 3,adhesive,dissolving 4,offer sample pvp k30 ink grade(pvp)specification:Zhangzhou huafu chemical co.ltdThe company ... , beverages, cosmetics, textile, dyestuff building material, paintings, printing ink, Polymer ultra-filtration membrane, micro-filtration membrane & other industries. ... more than one hundred drugs. PVP K30 (pharmaceutical grade, povidone K30)has been permitted by China National Drug ...