Acid copper additive PAE-9, carrier, wetting agent and dispersant of dyes in dye-base ... acid copper baths Acid copper additive PAE-9 TECHNICAL DATA SHEET PAE-9 Chemical nature Chemical name PAE-9Properties Physical form ... (%) ≥ 98.0Solubility(20 °C)Well soluble in water Application PAE-9 is used as a wetting agent and dispersant of dyes ... , stored in cool and dry place. Acid copper additive PAE-9