Palm Stannous Sulfate Solution 16 % (also known as Tin Sulfate) is a clear/yellow liquid material with low free-acid content. The chlorine free product is designed for the surface finishing industry. Stannous Sulfate Solution 16 % is also used for color anodizing, acid tin electroplating, analytic reagent, and other industrial applications. Palm's Stannous Sulfate Solution 16 % is manufactured to demanding specifications from carefully selected raw materials, and is subjected to stringent quality standards and testing measures.