Indexes	Superfine
Appearance(than the standard kind)	Meet standards
Purity (zinc oxide)/%≥	99.7
Metallic zinc/%　　≤	none
Lead oxide/%　　≤	0.04
Manganese/%　　≤	none
Copper oxide/%　　≤	none
Hydrochloric acid insoluble substances/%　　≤	0.006
Loss on ignition/%　　≤	0.2
Screen residue(325 mesh)/%　　≤	0.2
Screen residue(200 mesh)/%　　≤	---
Water-soluble salt/%　　≤0.1	0.1
Covering property/(g/m)≤	85
Oil Absorption/%　　≤	14
Color strength/%	95
Adsorption of iodine/mmol Iodine /100g	---