Chemical composition： Vinylpyrrololidone (VP) / Vinylcaprolactam Copolymer (VCap)

Apperrance：Clear, yellow aqueous polymer solution

Delivery form：20-30% aqueous solution

CAS number:   51987-20-3

Ratio VP / VCap：50% VP and 50% VCap

                          60% VP and 40% VCap

                          Other proportions can also be made, which need to be customized.

Mw Molecular weight：＜700,000 Dalton

K-value:  35-70 （Customized as required.）

pH value:   6~8

Residual monomer content measured by HPLC: 
Residual Vinylprrolidone≤200ppm

Residual Vinylcaprolactam≤200ppm