ITEMS    INDEX

                  High-Class       First-Class        Qualified

Main component (Zn) (%) >=57.5       57.0       56.5

burn loss           25.0-28.0          25.0-30.0  25.0-32.0

Heavy metal (Pb) <= (%)      0.04      0.05   0.05

moisture        <=         2.5      3.5       5.0

SO4 (%)     <=           0.60   0.80       -

Finess degree (by 74um sift net) >=95.0      94.0       93.0

Cd content     (%)   <=   0.10           -      -

Molecular Formula: ZnCO3.2Zn(OH)2.H2O

Packaging Detail:25kg best Pp bags,with double layers of low pressure polythene inside. With pallet: 18T/20'FCL W/o pallet: 22T/20'FCL

Characters: amorphous white powder, inodorous, tasteless.

Application: Used as corrosion inhibitor & desulphurization agent in oil exploitation, activator and desulphurization agent in chemical fertilizer production; also widely used in paint and other chemical industries.