... paint, coating, adhesive, glass fiber, auxiliary and detergent, etc.Industrial grade PVPK series K valueResidual monomer %Solid %Ash %PH 1% Aq ... .2liquid :20 ± 1<0.02liquid 7-10Pharmaceutical grade PVPK series K valueResidual monomer %Moisture %Sulfate Ash %PH 10% Aq. solutionN%Aldehyde %Lead ...