Pharma Grade PVP S630 Copolymers

CasNo： 25086-89-9

Appearance： White powder

Packing： 25kg/drum

Purity： >95%

Product Name:VP/VA Copolymers

Chemical Description:Vinylpyrrolidone with Vinyl Acetate Copolymer

INCI/CTFA:VP/VA Copolymer

CAS NO.:25086-89-9

Formula structure:

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.

 

Specifications:

TEST    ITEMS	SPECIFICATIONS	TEST    VALUE
Appearance	White powder	Complies
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
Nitrogen                                        %	7.0-8.0	7.4
Heavy metal (as lead)                    %	≤ 0.001	< 0.001
Aldehyde                                      ppm	≤ 500	< 500
NVP                                              %	≤ 0.20	0.09
Moisture                                        %	≤ 5.0	3.62

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.