Appearance: A white or almost white powder, odourless or slightly characteristic odour; tasteless; hygroscopic
Identification
A => IR
B => An organge yellow precipitate is formed
C => A pale blue precipitate is formed
D => A deep red color is produced
E => The substance dissolves
Appearance of solution: Solution S is clear and not more intensely colored than reference solution B6, BY6 or R6 | Nitrogen content: 11.5-12.8% | Residue on ignition: ≤ 0.1% | Lead : ≤ 10ppm | Aldehydes : ≤ 0.05% | K-valueL: 27.0-32.0 | Hydrazine: ≤ 1ppm | N-vinyl pyrrolidone: ≤ 0.001% | 2-pyrrolidone: ≤ 3.0% | Peroxides: ≤ 400ppm | Formic acid: ≤ 0.5% | PH(50mg/ml in water): 3.0-5.0 | Water: ≤ 5.0% | K-Value: 27.0-32.4 | TAMC: ≤ 1000cfu/g | TYMC: ≤ 100cfu/g | Staphylococcus aureus: Negative | Salmonella: Negative | Pseudomonas aeruginosa: Negative | E.Coli: Negative
Polyvinylpyrrolidone(PVP) are existing as powder and water solution form,and being supplied in a wide molecular weight range,easily dissolve in water,alcohol and other organic solvents,highlyhhygroscopicity,excellent film-forming capacity,adhesiveness and chemical stability,none toxicity.Cosmetic Grade PVP are widely used in hair care,skin care and oral care products,especially for hair styling products.In view of it's wide molecular weight range,from the low molecular weight to high molecular weight PVP applicable for soft to hard hair care products' formulations.
Purity: 99%
Spec 1: white powder
Application: It is used as setting agent, hair spray and mousse setting agent, sunscreen of hair conditioner, foam stabilizer of shampoo, wave setting agent, dispersant and affinity agent in hair dye.
