Test items Specification Results Appearance A white, very fine, light, powder, Conform greasy to touch Identification Identification A Conform Conform Identification B ≥54℃ 55.32℃ Assay % The content of ZnO :12.5-14% 13.8% Arsenic ≤1.5ppm <1.5ppm Lead ≤0.001% <0.001% Alkalies and alkaline earths ≤1.0% <1.0% Organic Volatile Impurities Conform Conform Residual solvents Conform Conform Particle size( through 325 mesh) ≥99.5% 99.3% Conclusion: Conform |