... box) circuit board (etching).MS-2175145-155≤6155-175Water-soluble, high viscosity, high acid value, gloss, hardness and durability ... can be achieved if used together with ammonia polyacid, soluble in diglycol, ethanol, etc, good water-solubility, high ... hardness.Ammonia polyacid solvent printing ink, water based printing ink.Soluble in: toluene, alcohol, ethyl acetate, isopropyl acetone, normal ...