ZnO 997 Price
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ZnO 997 Price

The ZnO varistor made of ZnO 997 Price has unique excellent properties such as large nonlinear coefficient, short response time, low residual voltage, small voltage temperature coefficient, and small leakage current. Therefore, the development of MST® ZnO 997 Price in ZnO varistor The application plays a pivotal role.The following is the introduction of high quality MST® ZnO 997 Price, hoping to help you better understand MST® ZnO 997 Price. Welcome new and old customers to continue to cooperate with us to create a better future!

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Product Description

MST® ZnO 997 Price

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The ZnO varistor made of MST® ZnO 997 Price has unique excellent properties such as large nonlinear coefficient, short response time, low residual voltage, small voltage temperature coefficient, and small leakage current. Therefore, the development of ZnO 997 Price in ZnO varistor The application plays a pivotal role.

 

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

 

*Room temperature stable MST® ZnO 997 Price has a wurtzite crystal structure, in which oxygen ions are arranged in a hexagonal close-packed manner, zinc occupies half of the tetrahedral gap, and each ion is not strictly tetrahedral symmetry.

*The hardness of zinc oxide is about 4.5, which is a relatively soft material. The elastic constant of zinc oxide is smaller than that of group III-V semiconductor materials such as gallium nitride.

*ZnO 997 Price has good thermal stability and thermal conductivity, high boiling point and low thermal expansion coefficient, which is useful in the field of ceramic materials.

*The band gap of ZnO 997 Price energy band is 3.2-3.4eV, and ZnO 997 Price should be an insulator at room temperature. Due to the large structural gap, Zn can easily enter the gap and form Frenkel defects. Or because ZnO 997 Price decomposes at high temperature to produce excessive zinc and ionizes, it enters the gap and forms interstitial ions, causing shared movement of electrons in the structure to form an n-type semiconductor. Among various semiconductor materials with a tetrahedral structure, ZnO 997 Price has the highest piezoelectric tensor. This characteristic makes zinc oxide one of the important materials for mechanical and electrical coupling.

*Pure ZnO 997 Price is colorless and transparent. The high energy band gap brings ZnO 997 Price the advantages of high breakdown voltage, strong ability to maintain electric field, low electronic noise, and high endurable power. ZnO 997 Price mixed with a certain proportion of magnesium oxide or cadmium oxide will change the energy band gap between 3-4 eV.

Item


Zinc oxide(Zn0 calculating as dry materia)% ≥

99.7

Potassium oxide(K)%≤

0.001

Sodium oxide(K)%≤

0.001

Ferric oxide (Fe)%≤

0.002

Cadmium oxide (Cd)%≤

0.001

Lead oxide(Pb)%≤

0.005

Copper oxide(Cu)%≤

0.0002

Metal content(as Zn)% ≤

NONE

moisture%

0.3

Insoluble Matter in Hci %  ≤

0.004

Loss on ignition % ≤

0.2

PH

7.0-8.0

The average particle size(D50)um ≤

0.5

Residue on sieve (44um)% ≤

0.1

 

The high stability of MST resistance grade ZnO 997 Price is a high-quality raw material for making ZnO varistor.


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