... purity raw material, designed with more unique formula, advanced t PA-388 (Co-soluble for high-purity )PA-388 is a ... Made from high-purity raw material, designed with more unique formula, advanced technical process, it has good transparency, outstanding glossiness ... plastic film printing ink. Over-printing varnish Specification: StylePA-388 (For export, co-solvent)Acid Value (mgKOH/g) ≤5Amine Value ( ...