polyvinylpyrrolidone K30 K90/ PVP K30 K90

Product Overview

Description

       polyvinylpyrrolidone K30 K90/ PVP K30 K90
1. intermediate
2.cosmetics:adhensive , dispersant
3.Viscosity enha                     

PVP K30 Properties:

White or off-white Powder .Soluble in water and  a variety of organic solvents,PVP-K series also offer low toxicity,good film-froming capacity,good stability,Physiollgical inertness and adhesive ability.

 PVP-k series(CP2005,USP28)

Items	K-30	K-90
K value	27-32	81-97
N-vinylpyrrolidone%	≤0.1	≤0.1
Water%	≤5.0	≤5.0
Residue on ignition%	≤0.1	≤0.1
PH value(5% water solution)	3-7	3-7
N%(nitrogen)	11.5-12.8	11.5-12.8
Aldehyde as acetaldehyde%	≤0.05	≤0.05
Heavy metal as Pb(ppm)	≤10	≤10
Hydrazines (PPM)	≤1	≤1
Peroxides%(H202)	≤400	≤400

Technical Grade PVP——kseries

ITems	K-30(powder)	K-30(aq)	K-90(aq)
K value	27-33	27-33	90-103
N-vinylpyrrolidone	≤0.2	≤0.2	≤0.2
Water %	≤5.0
Residue on ignition %	≤0.1	≤0.1	≤0.1
PH  value(5% water solution)	3-7	5-8	5-9
solid content%		30±1	20±1