Easy-maintainable Zinc Oxide powder 99.7
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Easy-maintainable Zinc Oxide powder 99.7

Milestone Industrial Co., Ltd. produces Easy-maintainable Zinc Oxide powder 99.7, a commonly used chemical additive, which is widely used in plastics, silicate products, synthetic rubber, lubricants, paints, ointments, adhesives, and food. The produced Zinc Oxide powder 997 has strong activity, uniform particle size, good dispersibility, and has a good effect of accelerating vulcanization, increasing the crosslinking density of the vulcanized rubber, and making the vulcanization more thorough.You can rest assured to buy MST® Easy-maintainable Zinc Oxide powder 99.7 from our factory and we will offer you the best after-sale service and timely delivery.

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Product Description

Zinc Oxide powder 997

In the past few years, our organization absorbed and digested state-of-the-art technologies equally at home and abroad. Meanwhile, our enterprise staffs a team of experts devoted towards the growth of IOS Certificate China MST® Easy-maintainable Zinc Oxide powder 99.7, We purpose at Ongoing system innovation, management innovation, elite innovation and industry innovation, give full play into the overall advantages, and continuously make improvements to provider quality.
IOS Certificate China MST® Easy-maintainable Zinc Oxide powder 99.7, With well educated, innovative and energetic staff, we have been responsible for all elements of research, design, manufacture, sale and distribution. By studying and developing new techniques, we're not only following but also leading fashion industry. We listen attentively to the feedback from our customers and supply instant replies. You will instantly feel our skilled and attentive service.

Milestone Industrial Co., Ltd. produces MST® Zinc Oxide powder 99.7, a commonly used chemical additive, which is widely used in plastics, silicate products, synthetic rubber, lubricants, paints, ointments, adhesives, and food. The produced Easy-maintainable Zinc Oxide powder 99.7 has strong activity, uniform particle size, good dispersibility, and has a good effect of accelerating vulcanization, increasing the crosslinking density of the vulcanized rubber, and making the vulcanization more thorough.

Product name

Zinc oxide 

Molecular formula

ZnO

CAS NO

1314-13-2

EINECS NO

215-222-5

Density

5.606g/cm3

Molecular weight

81.38

Melting point

1975℃

Boiling Point:

2360ºC

Purity

0.99

Active substance content

0.997

H.S CODE

2817001000

Appearance

White powder or crystal


MST® Easy-maintainable Zinc Oxide powder 99.7 can enhance and promote the accelerator. The mechanism and method of Easy-maintainable Zinc Oxide powder 99.7 are as follows:

1) During the vulcanization process, Zinc Oxide powder 99.7 can react with accelerators, sulfur, stearic acid, rubber macromolecular chains, and corresponding intermediate products. Zinc oxide is used as a vulcanization activator, which is mainly used for chemical interaction during vulcanization. The formation speed of the link, the type and number of crosslinks have an important influence, thereby increasing the degree of crosslinking of the vulcanizate.

2) The reaction of Easy-maintainable Zinc Oxide powder 99.7 as an active agent with organic accelerators, stearic acid, sulfur, etc. occurs on the surface of zinc oxide particles during the vulcanization process. Because zinc oxide has a large affinity for electrons and a strong ability to adsorb accelerators, under the action of stearic acid, it generates soluble accelerator zinc salts, thereby increasing its solubility, and forming a compound with amines or fatty acids The zinc complex makes the accelerator more active. Sulfur is added to the complex to form a strong vulcanizing agent by inducing activation. During this process, the surface of the zinc oxide particles continuously reacts, the particle size is continuously reduced, and the zinc oxide is consumed until the rubber is fully vulcanized. With the change of the particle size of Zinc Oxide powder 997, its specific surface area and structure determine the activation of vulcanization.

  

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

MST has 46 professional production processes and production lines, with an annual output of 200,000 tons of high-grade zinc oxide; it has independent import and export rights, and its Zinc Oxide powder 99.7 is exported to Europe, the United States, Asia and other countries.



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