... is 30%. coating Zinc oxide is used in the making of coating as pigment, such as primer and antirust paint, the ... 5.5-6.5 , granularity 0.15-0.7um ), refractive index is 1.95-2.05 , specific heat in 20 °C 0.0915 ... -2.0OIl adsorption, g/100g ,% ≤202535Decolor power (compared with sample ),% ≥95-10090-9585-90Color(compared with sample)in accordance with sample Zinc oxide