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PVPP Shanghai WellTone Material Technology Co., Ltd PVPP is the chemical polyvinylpolypyrrolidone. It is an odorless, white or slightly yellow powder that is insoluble in water and common organic reagents. This product is used as a stabilizer in beer, wine vinegar, juice, and other beverages to prolong she...展開 PVPP is the chemical polyvinylpolypyrrolidone. It is an odorless, white or slightly yellow powder that is insoluble in water and common organic reagents. This product is used as a stabilizer in beer, wine vinegar, juice, and other beverages to prolong shelf life. 收起