Plasdone™ K-25 is a pharmaceutical grade of polyvinyl pyrrolidone (PVP) for oral applications.
INCI PVP
Plasdone polymers are pharmaceutical-grade homopolymers of N-vinyl-2-pyrrolidone (NVP) supplied as white, free flowing powders. Available in a range of molecular weights, they are characterized by K-value. PVP polymers are soluble in water, highly adhesive and form glossy, transparent, oxygen permeable films.
Form: White to creamy white powder
K-value: 24 - 26
Nominal molecular weight: 10,000
Moisture: 5 max
pH (5% aqueous solution): 3 - 5
Use level: 3.0 - 6.0%
Complexes with common staining agents to whiten teeth
Reduces in vitro teeth staining from cationic antibacterial and stannous compounds
Acts as a tablet binder resulting in tablets with high breaking force and low friability
Modifies solution viscosity
Forms water-soluble films
Adds lubricity
Vegan suitable
Ideal for a low-viscosity, wet-granulation tablet binder application.
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