Polyfilter™ R is a cross-linked homopolymer of vinylpyrrolidone (Polyvinylpolypyrrolidone). In the form of powder,Polyfilter™ R is insoluble in water and normal solvents. In the form of powder, Polyfilter™ R is insoluble in water and normal solvents. Polyfilter™ R is insoluble in water and all other standard solvents, so it's widely used to stabilizes a variety of beverages. Polyfilter™ R can selectively absorb Polyphenols from any type of beverages. It's widely used in beer, wine, and other beverage products(Tea,Juices).


产品技术规格书 TDS
化学品安全技术说明书 MSDS / SDS


Boai NKY Pharmaceuticals (NKY) has become the largest Chinese producer of PVP’s and the third largest global producer. Some of the products they offer are GBL,PVP K series, Copovidone, VP/VA copolymer series, PVPP and PVM/MA copolymers. NKY is committed to the research and development of new products and technologies to bring new solutions and added value to their customers products.


Boai NKY Pharmaceuticals Ltd. 博爱新开源制药股份有限公司

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