PP: Polyvinylpyrrolidone 
Alias: Polyvinyl pyrrolidone; Povidone; PVP; PVP-K; PVP-K17; PVP-K25; Polyvinylpyrrolidine; PVP-K30; PVP K 30; PVP-K90; poly vinyl pyrrolidone; K-30; Crospovidone; Polyinylpyrrolidone; Polyvinglpyrrolidone; PVP K30/K90; K30; PVP K30; Povidone K25 K30 K90; poly vinyl pyrrolidinone(K=90)urethane; POVIDONE K-17 
Chemical formula: (C6H9NO)n 
Molecular Weight: 111.143 
Physical and chemical properties 
Density: 1,69 g/cm³ 
Melting point: 130 °c 
Boiling point: 90-93 °C 
Water solubility: >=10 g/100 mL at 20 C 
Storage conditions: Room Temprature 
Appearance: white powder 
Safety term: S24/25 - Avoid contact with skin and eyes. 
Uses: Used as colloidal stabilizer and clarifying agent, can be used for the clarification of beer, according to the production needs of the appropriate amount.