Zinc Oxide Indirect Process

Zinc Oxide Indirect Process

It is used as a white pigment for dyeing, paper making, matches and medicine industry. Used in rubber industry as natural rubber, synthetic rubber and latex, surfactant, reinforcing agent and colorant.
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Product Details

Characteris:

Zinc Oxide Indirect Process is the white powder, insoluble in water, amphoteric oxide, would be react with acid and alkali, it have good quality of Pigment.


Specification:

Index Iterm

Target

CB01-05(11)

CB01-05

Superior Quality

Firsts

Conforming Product

Superior Quality

Firsts

Conforming Product

Zinc Oxide %≥

99.70

99.50

99.40

99.70

99.50

99.40

Metals %≤

None

None

0.008

None

None

0.008

Lead Oxide %≤  

0.037

0.05

0.14

Manganese Oxide %≤

0.0001

0.0001

0.0003

Copper Oxide %≤

0.0002

0.0004

0.0007

Insoluble Matters in HCL Solution %≤

0.006

0.008

0.05

Losses on Ignition %≤

0.2

0.2

0.2

Screening Residues
(through 45 u m wet mesh) %≤

0.10

0.15

0.20

0.10

0.15

0.20

Soluble Matters in Water %≤

0.10

0.10

0.15

0.10

0.10

0.15

Volatiles at105℃ %≤

0.3

0.4

0.5

0.3

0.4

0.5

Oil Absorption %≤  

14

14

14

Colour(compared with 
standard specimen) %≤

Approximate

Tiny

Tiny

Colour Killing %≤

100

95

90


Production method:

Zinc Oxide indirect process or French process, metallic zinc is melted in a graphite crucible and vaporized at temperatures above 907 °C (typically around 1000 °C). Zinc vapor reacts with the oxygen in the air to give ZnO, accompanied by a drop in its temperature and bright luminescence. Particles are transported into a cooling duct and collected in a bag house.


Application:

It is used as a white pigment for dyeing, paper making, matches and medicine industry. Used in rubber industry as natural rubber, synthetic rubber and latex, surfactant, reinforcing agent and colorant. Zinc Oxide is also used in the manufacture of pigment zinc chrome yellow, zinc acetate, zinc carbonate and zinc chloride. It is also used in electronic laser material, phosphor, feed additive, catalyst, magnetic material manufacturing, etc.

Zinc Oxide    China Zinc Oxide factory


ZnO    ZnO price


Zinc Oxide manufacture    ZnO price list


Package and storage: 

25kg paper bag. PGJ bag or woven bag. Zinc Oxide in indirect process should be stored in a well-ventilated area

Zinc Oxide     ZnO in indirect process


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