Products

Jiaozuo Zhongwei Special Products Pharmaceutical Pharmaceutical Grade VP/VA is White or creamy white, free-flowing power with characteristic smell, hygroscopic. Good solubility in water, alcohol and other organic solvents.

Jiaozuo Zhongwei Special Products Pharmaceutical PVPI (USP26) exists as free flowing,redish brown powder, non-irritant with good stability, dissolve in water and alcohol, insoluble in diethylethe and chloroform.

Jiaozuo Zhongwei Special Products Pharmaceutical Pharmaceutical PVP (Povidone K15) is a hygroscopic polymer ,supplied in white to creamy white powder or flakes, ranging from low to high viscosity & low to high molecular weight, which characterized by K Value. It’s easily soluble in water and many other organic solvents, with excellent hygroscopicity, film-forming, adhesive, chemical stability and toxicological safeness characters..

Jiaozuo Zhongwei Special Products Pharmaceutical 2-Pyrrolidone has a colorless crystal structure under 25℃, the transparent liquid above 25℃ and chemical characteristics like stability and non-corrosiveness..

Jiaozuo Zhongwei Special Products Pharmaceutical N-Vinylpyrrolidone is a clear to yellow liquid, undergoes crystallization under 13℃. It’s easy to hydrolyse and polymerize itself but It can remain as a liquid at room temperature for extended periods. Usually, stabilized with NaOH or TMHPO as a polymerization inhibitor..

Jiaozuo Zhongwei Special Products Pharmaceutical Pharmaceutical PVPP (Crospovidone Type A) is hygroscopic, insoluble in water and all other common solvents, but it swells rapidly in aqueous solution without any gel forms.