Sign In | Join Free | My portofva.com |
|
PVP k30 (povidone k-30 polyvinylpyrrolidone)Povidone K 30 Product Name :USP Grade, Pharma grade,Industry grade CAS No.:9003-39-8 MF:C6H9NO)n Purity:99%min Appearance:White powder Model Number:JD-...