The zinc leading to an improved cohesion within the paint. Its low surface area generates a less reactive oxide, helping to improve paint stability. Additionally, it also provides paints with fungicidal and anti-corrosive properties.
Typical chemical analysis:
Purity99.0 % / Minimum
Zinc (Zn)79.5 % / Minimum
Lead (Pb)0.05 % / Maximum
Iron (Fe)0.05 % / Maximum
Cadmium (Cd)0.01 % / Maximum
Sulfur (S)0.1 % / Maximum
Insoluble in HCL0.12 % / Maximum
Soluble Salts0.50 % / Maximum
Hegman Test3.00 / Minimum
Surface area1.4 - 2.5 m²/g
Oil absorption15-19g / 100g
Fineness through #325 mesh screen99.95 % / Minimum