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High-purity and Ultra-fine Zinc Oxide
High-purity and Ultra-fine Zinc Oxide

1.Molecular Formula: ZnO 2.Molecular Weight: 81.39 3.CAS:1314-13-2 4.EINECS:215-222-5 5.Density: 5.606

       High-purity and Ultra-fine Zinc Oxide

Appearance:   white or light yellow Powder 

Melting Point: 1975 °C

Boiling Point:  2360 °C

Physical Properties:

White hexagonal system crystalloid or powder, tasteless, nontoxic, fine particle. It is amphoteric oxide, soluble in acid, NaOH, NH4CL, not soluble in water, ethanol, ammonia. It can aborb atmosphere and CO2 to generate ZnCO3, in yellow color. It turn into yellow in heating, but come back to white in cooling. Impenetrable to ultraviolet radiation, able to absorb ultraviolet radiation, no turning into black with H2S

Application:

White pigment, in dying, paper making, match, and Pharmaceuticals;

In rubber industry, it can be used as the rubber vulcanizing active agent, reinforcing agent and colorant for natural rubber and synthetic rubber.

It can be used in the making of pigment zinc chrome yellow, zinc acetate, zinc carbonate, zinc chloride;

It can be used in electron laser, phosphor powder, material additive, activator, magnetic material making

Technicle Data:

Item

Index

BA01-05(I)

BA01-05(II)

Excellent grade

First grade

Conforming article

Excellent grade

First grade

Conforming article

Zinc oxide(calculated with dry product ),% ≥

99.7

99.5

99.4

99.7

99.5

99.4

Metal(calculated with Zn),% ≤

none

none

0.008

none

none

0.008

Lead oxide(alculated with Pb),%≤

0.037

0.05

0.14

 

 

 

Manganic oxide(alculated with Mn),%≤

0.0001

0.0001

0.0003

 

 

 

Copper oxide(alculated with Cu),% ≤

0.0002

0.0004

0.0007

 

 

 

Hydrochloric acid insoluble matter ,% ≤

0.006

0.008

0.05

 

 

 

Burnt loss,% ≤

0.2

0.2

0.2

 

 

 

Screening residues(45μm) ,% ≤

0.10

0.15

0.20

0.10

0.15

0.20

Soluble matter in water,% ≤

0.10

0.10

0.15

0.10

0.10

0.15

Volatile 105°C,% ≤

0.30

0.40

0.50

0.30

0.40

0.50

Oil absorption, g/100g

 

 

 

14

14

14

Color(comparing with the standard sample)

 

 

 

Approximate

Slight

Little

Reducing power(comparing with the standardsample),%≥

 

 

 

100

95

90

Packaging and storage:

Packaging: Packed with plastic-lined and plastic-coated woven bag, 25kgs/bag

Storage: It should be kept from breakage, moisture, pollution, and touch with acid. The period of validity is half a year, after expiry, it should be examined in standard, if up to the standard, it can go on to be used.

High-purity and Ultra-fine Zinc Oxide

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