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China Rubber Chemical

Rubber grade zinc oxide is a kind of MST® China Rubber Chemicals, and rubber grade zinc oxide is used as an active agent in rubber. Sometimes used as a reinforcing agent and coloring agent.As the professional manufacture, we would like to provide you MST® China Rubber Chemical. And we will offer you the best after-sale service and timely delivery.

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Product Description

MST® China Rubber Chemical

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Factory Cheap China MST® China Rubber Chemical, Now, we've been trying to enter new markets where we do not have a presence and developing the markets we've got the already penetrated. On account of superior quality and competitive price , we'll be the market leader, you should don??¥t hesitate to contact us by phone or email, if you are interested in any of our products and solutions.
 

Zinc Oxide Powder Data:

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

 

China Rubber Chemical factoryChina Rubber Chemical factoryChina Rubber Chemical factory

Rubber grade zinc oxide is MST® China Rubber Chemical.


Rubber grade zinc oxide is a kind of MST® China Rubber Chemicals, and rubber grade zinc oxide is used as an active agent in rubber. Sometimes used as a reinforcing agent and coloring agent.



Standard:GB/T3185-2016

Item

Type1

Type2

Type3

Zinc oxide(Zn0 calculating as dry materia)% ≥

99.7

99.7

99.5

Metal content(as Zn)% ≤

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 in 105℃ % ≤

0.3

0.4

0.5

Lead(pb)% ≤

0.008

0.05

0.1

Copper(Cu)%  ≤

0.0002

0.0004

0.0007

Manganese( Mn)%

0.0001

0.0001

0.0003

Cadmium (Cd)%

0.002

0.005

0.01

Iron (Fe)%

0.005

0.01

 


According to its different production process, zinc oxide can be divided into indirect zinc oxide ,because it originated in France, it is also called French process zinc oxide, and direct zinc oxide is also called American process zinc oxide and active zinc oxide.

As a China Rubber Chemical , Rubber grade zinc oxide is the most important inorganic active agent in the rubber industry. The addition of rubber grade zinc oxide can not only speed up the vulcanization rate, but also increase the degree of crosslinking. It has an activating effect on thiazoles, sulfenamides, guanidines and thiuram accelerators.

Because it is a China Rubber Chemical, rubber grade zinc oxide is widely used in many rubber products, especially transparent rubber products and products that come in contact with food. 50% of industrially produced zinc oxide flows to the rubber industry as a China Rubber Chemicals.

Zinc oxide and stearic acid are important reactants for rubber vulcanization and are one of the raw materials for rubber manufacturing.

The mixture of rubber grade zinc oxide and stearic acid strengthens the hardness of the rubber. As a China Rubber Chemical, zinc oxide is also an important additive for automobile tires.

In addition to vulcanization, zinc oxide can greatly improve the thermal conductivity of rubber, thereby helping tires to dissipate heat and ensuring driving safety. Zinc oxide additives also prevent the erosion of rubber by mold organisms or ultraviolet rays.

About 50% of the zinc oxide produced by MST is used as MST® rubber chemical raw materials to supply major tire manufacturers. The major well-known brands currently cooperated with are as follows

China Rubber Chemical



China Rubber Chemical factory 


MST plant, warehouse, lab, office building and material

China Rubber Chemical factory


China Rubber Chemical factory

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