Product Description BY-1 Yellow dye Characteristics Appearance Yellow to orange-yellow powder. Assay(%) Y90.0 Concentration in the bath 10-30mg/L Application BY-1 is used as a leveling agent, dispersing agent in acid copper baths at a concentration of 10-30mg/L, can improve the leveling and brightness in low current density, and remove the haze. Packing 25kg Storage condition Stored in cool and dry place Packaging & Shipping Packing 25kg/drum, stored in cool and dry place. 25KG/drum