Zinc Oxide Rubber Grade supplier and manufacturer - China factory

Product Description

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MST is a professional manufacturer of zinc oxide, with a history of more than 30 years, located in Shijiazhuang, Hebei, China.

MST has two production bases with a daily output of up to 300 tons. The zinc oxide produced by MST has the characteristics of high purity, high fineness, good fluidity, low moisture, and no caking. There are many grades zinc oxide in MST. Today we mainly introduce rubber grade zinc oxide.

Zinc oxide rubber grade 99.7% basic 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

50% of zinc oxide is used in the rubber industry. Below we will introduce the characteristics and application fields of zinc oxide rubber grade.

Zinc oxide rubber grade has the following most outstanding physical properties:

*Color, the color of zinc oxide rubber grade is white.

*Odor, zinc oxide rubber grade has no odor.

*Non-toxic, zinc oxide rubber grade is non-toxic.

*Texture, zinc oxide rubber grade has fine texture.

*Solubility, zinc oxide rubber grade is compatible with acid, sodium hydroxide and ammonia chloride.

*Air, which can absorb carbon dioxide and water in the air.

The advantages of zinc oxide rubber grade produced by MST:

*Strong activity, uniform particle size, good dispersibility, has a good effect of promoting vulcanization, increasing the crosslinking density of vulcanized rubber, and making vulcanization more thorough.

*It can better improve the viscosity of the material, and improve the adhesion of rubber, steel wire and cord fabric.

*Good dynamic mechanical properties, small deformation of rubber products, less heat generation, and good wear resistance, so that it has good aging resistance

Zinc oxide rubber grade is widely used in daily life:

*Active agent: Zinc oxide rubber grade is used as a vulcanizing active agent in natural rubber, synthetic rubber and latex.

*Reinforcing agent and coloring agent: It can also be used as a reinforcing agent and coloring agent in rubber.

*It can be used to produce tires, such as radial tires and bias tires

*Other rubber products, such as conveyor belts, hoses, tapes, rubber shoes, latex gloves and other rubber products

Rubber grade zinc oxide 99.7% specification:

Standard:《GB/T3185-2016》

Item	Type1	Type2	Type3
Zinc oxide（Zn0 calculating as dry materia)% ≥	99.7	99.7	99.5
Metal content（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 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	—