Coating Grade Zinc Oxide Powder Factory
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Coating Grade Zinc Oxide Powder Factory

MST® Coating Grade Zinc Oxide Powder Factory has a strong solubilizing effect in the glaze, it can reduce the expansion coefficient of the glaze, and improve the thermal stability of the product, but also increase the gloss and whiteness of the glaze, improve the elasticity of the glaze.You can rest assured to buy MST® Coating Grade Zinc Oxide Powder Factory from our factory and we will offer you the best after-sale service and timely delivery.

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Product Description

MST® Coating Grade Zinc Oxide Powder Factory

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MST® Coating Grade Zinc Oxide Powder Factory has a strong solubilizing effect in the glaze,  it can reduce the expansion coefficient of the glaze, and improve the thermal stability of the product, but also increase the gloss and whiteness of the glaze, improve the elasticity of the glaze.

Basic Product Data Of MST® Coating Grade Zinc Oxide Powder Factory:

Product name:

Zinc Oxide

CAS NO.

1314-13-2

EINECS NO.

215-222-5

Molecular formula:

ZnO

Density:

5.606g/cm3

Molecular weight:

81.38

Appearance:

White hexagonal crystal or powder

Coating Grade Zinc Oxide Powder Factory factory

Matters needing attention in the use of coating grade zinc oxide powder in coatings:

1. Before use, MST® Coating Grade Zinc Oxide Powder Factory needs to be calcined at a high temperature. The calcination temperature is 1200 degrees Celsius. If Coating Grade Zinc Oxide Powder Factory is directly added to the glaze without being calcined, it will affect the process performance of the glaze, Because after calcination, it will reduce the shrinkage during the firing process and reduce the shrinkage due to shrinkage. The phenomenon of bald glaze, bubbles, pinholes, etc. is generated, which increases the tightness and improves the performance of raw glaze. but if it is added to the frit, there is no need for high temperature.

2. Excessive amount of coating grade zinc oxide powder in the glaze will affect the glaze gloss. Coating Grade Zinc Oxide Powder Factory is used as a flux in low-temperature frit glaze, the general dosage is between 5% and 10%, and the dosage in low-temperature raw glaze is generally about 5%. When the glaze is cooled rapidly, it forms large crystals The pattern is very beautiful. In crystal glaze, the amount of zinc oxide is up to 20-30%

3. Coating grade zinc oxide powder has an adverse effect on certain colored glazes, especially chrome glazes.

MST chemical Coating Grade Zinc Oxide Powder Factory is made by indirect method with high purity and low impurities. It can meet all the requirement of coating, And keep customers' product quality stable.

Coating Grade Zinc Oxide Powder Factory Specification

Item

type1

type2

type3

zinc oxide(as ZnO)% ≥

99.7

99.7

99.5

Metal(as dry)% ≤

none

none

0.008

Insoluble Matter in Hci %  ≤

0.006

0.008

0.03

Loss on ignition % ≤

0.2

0.2

0.25

Residue on sieve (45um)% ≤

0.1

0.15

0.2

Water soluble matter % ≤

0.1

0.1

0.15

 Volatile matter on 105℃ % ≤

0.3

0.4

0.5

Lead(pb)% ≤

0.008

0.05

0.1

Copper(Cu)%  ≤

0.0002

0.004

0.0007

Manganese( Mn)%

0.0001

0.0001

0.0003

Cadmium (Cd)%

0.002

0.005

0.01

Iron (Fe)%

0.005

0.01


Coating Grade Zinc Oxide Powder Factory factory Coating Grade Zinc Oxide Powder Factory factory

Coating Grade Zinc Oxide Powder Factory factory

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