Cosmetic Grade VP/VA Copolymers
Product Name:VP/VA Copolymers
Chemical Description:Vinylpyrrolidone with Vinyl Acetate Copolymer
Product Properties:VP/VA Copolymers with different rations of N-Vinylpyrrolidone to Vinyl Acetate,soluble in most organic solvents.Which exists in powder,water solution and ethnol solution form.VP/VA compolymer forms hard,water-removable and glossy films,it has excellent compatibility with many plasticizers and modifiers,an the hydroscopicity decreases in proportion to the ration of Vinyl acetate.
Applications:VP/VA Copolymers are the excellent choice as film forming agent and hair-styling agent,which are suitable for fourmulations which used as film forming and viscosity modification,especially in hair styling products, such as Hair Gels,Aerosol gas sprays,Wet look sprays.
Pharmaceutical Grade VP/VA Copolymers
Chemical Description:Vinylpyrrolidone with Vinyl Acetate Copolymer,PVP/VA 64 Powder
Properties: White or creamy white,free-flowing power with characteristic smell,hygroscopic.Good solubility in water,alcohol and other organic solvents.
Applications:In view of it's excellent adhesiveness ,film hard and other properties,Copovidone mainly used as water-soluble binder and dry binder in wet/direct granulation processes,also it can be used as film forming materials.
|TEST ITEMS||SPECIFICATIONS||TEST VALUE|
|K Value ||25.4-34.2||30.9|
|PH value (1% in water)||5.0-7.0||5.6|
|Monomer (VP+VA) ppm||≤10||<10|
|Heavy metal (as lead) %||≤ 0.001||< 0.001|
|Aldehyde ppm||≤ 500||< 500|
|NVP %||≤ 0.20||0.09|
|Moisture %||≤ 5.0||3.62|