| Polyvinylpyrrolidone Pvpk302007-8-20
                                                    Chemical Structure:Homopolymer of Vinylpyrrolidone
 
Physical properties:Either a white or milky white powder or colourless or slightly yellow transparent...
                                                 | 
| Pvp K902007-8-20
                                                    Chemical Structure:Homopolymer of Vinylpyrrolidone
Physical properties:Either a white or milky white powder or colourless or slightly yellow transparent...
                                                 |