Environment-friendly zinc oxide


Molecular formula: ZnO

Molecular weight:81.38


Properties: this product is white powder, with specific weight of 5.606 and melting point of 1975°C. It is a kind of amphitheater oxide. , dissolving in acid, alkali, ammonium chloride and ammonia water, not dissolving in water and ethyl alcohol, sublimating when heating to 1800°C.


Uses:rubber products, ceramics, medicine,cosmetic, paint, printing & dyeing, magnetic, electronics, fodder, picture tube, etc.


Item

Index


Rubber type

Coating type


Top-grade

First grade

Top-grade

First grade

Appearance

White powder

Zinc oxide(Zn0 calculating as dry material),W/%                ≥


99.7

99.5

99.7

99.5

Metal  content(as Zn),W/%   ≤


NO

NO

NO

0.008

Lead oxide(as Pb)，W/%       ≤


0.008

0.05

0.010

-

Manganese's oxide(as Mn ),W/% ≤


0.0001

0.0001

0.0001

-

Cupric oxide(as Cu ),W/%     ≤


0.0002

0.0002

0.0002

-

Cd,W/%                      ≤           


0.002

0.005

0.010

_

Fe,W/%                      ≤ 


0.005

0.010

0.010

_

As,W/%                      ≤


_

_

_

_

Alkalinity,ml                   ≤


_

_

_

_

Insoluble matter in Hydroelectric acid,W/%                     ≤


0.006

0.008

0.008

-

Loss on ignition W/%          ≤


0.2

0.2

0.2

-

Carbonate


_

_

_

_

Residue on 45um sieve W/%   ≤


0.1

0.15

0.1

0.15

Water-soluble matter W/%     ≤


0.1

0.1

0.1

0.1

Volatile matter in 105°C% W/%≤


0.3

0.4

0.3

0.4

Specific surface area/（m2/g)

agree

Oil absorption */g/100g

agree

Color* (compared with standard sample)

 

agree 

Decoloration power*(compared with standard sample)≥

agree


Packing: plastic bag lined woven bag, net wt 25kg


We also offer special specifications to customers with special requirements.


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