PVPP

SYNONYM: CROSPOLYVIDONE, INSOLUBLE POLYVINYLPYRROLIDONE

FORMULA: (C₆H₉NO)_n

CAS NO.: 25249-54-1

DESCRIPTION: WHITE TO YELLOWISH FREE FLOWING POWDER, HYGROSCOPIC, ODORLESS OR WITH A FAINT CHARACTERISTIC ODOR, INSOLUBLE IN WATER, ALKALI, ACID AND COMMON ORGANIC SOLVENTS, EASILY SWELLABLE IN WATER WITHOUT FORMING GELS.

SPECIFICATIONS:

LOSS ON DRYING (60min, 140℃ VACUUM)	6%MAX
SOLUBLE COMPONENTS	1.5%MAX
MONOMERS	0.1%MAX
PH OF 1% SOLUTION	5.0-11.0
HEAVY METAL: ARSENIC LEAD ZINC COPPER+ZINC	3PPM MAX 10PPM MAX 25PPM MAX 50PPM MAX
NITROGEN	11.0-12.8%
SULFATE ASH	0.4%MAX

USES: USDED IN BEER AND BEVERAGE INDUSTRY.