... ordinary, have better cost performance. excellent stability,shelf life over 18 months .we can produce the colorless and colored.non-toxic ... to transport,no risk.its composition are:63% pure water,18% PVA ,3% VAC,11% ACA,and 5% OP EMU. all ... supplies,and student packs etc. WENHUI TEAMwe have more than 250 employees,we are honest,professional,faithful,responsible,thanksful,we'll ...