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Sell Zinc Oxide

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Post Date: Aug 04, 2008

Expiry Date: Aug 04, 2009

Fuzhou Richforth Trade Co., Ltd. [CN]

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Features Specifications:Sell Zinc Oxide

Product Name:	ELECTRON GRADE ZINC OXIDE
Molecular formula:	ZnO
Molecular weight:	81.39
Physical and chemical property:	White or a little yellow powder, density 5.606, fusion point: 1975.It is a kind of two characters oxide, dissolve in acid and alkaline solution, insoluble in water or ethanol. It is yellow color at the high temperature, resume being white after cooling. characters oxide, dissolve in acid and alkaline solution, insoluble in water or ethanol. It is yellow color at the high temperature, resume being white after cooling.

Product Content

ELECTRON GRADE ZINC OXIDE

Use:

Electron grade Zinc Oxide is widely used in electronic components such as varistor, thermistor, zinc oxide arrester, magnetic material ----- ferrite product etc.

Characteristic and function

1. Small granule and even granularity. It is advantageous for merging with other material in the course of using, may reduce the deviation of electronic element physics parameter greatly.

2. The purity is high, is advantageous for the operation, favors enhances the good quality rate.

3. The other element content such as copper, manganese, aluminium, iron are micro, affects to the electronic component performance slightly. It can reduce the error between the actual value and the theoretical value.

Charactristics	Limited
Charactristics	Hdz041	Hdz042	Hdz043
Zinc oxide(counted by dried subtances )%≥	99.8	99.8	99.7
Metal ( zn ) %≤	no	no	no
Lead oxide( Pb ) %≤	0.001	0.003	0.02
Cupric oxide( Cu ) %≤	0.0001	0.0002	0.0002
Manganic oxide ( Mn) % ≤	0.0001	0.0001	0.0001
Ferrous oxide( Fe) % ≤	0.0002	0.0005	0.001
Cadmium oxideCd %≤	0.0005	0.0005	0.001
Hydrochloric indissoluble substance %≤	0.002	0.006	0.008
Burning decrement %≤	0.05	0.1	0.2
Sieve Residue45um %≤	0.02	0.03	0.03
Water dissoluble %≤	0.05	0.05	0.1
105 volatile substances %≤	0.2	0.2	0.3
Grain size um	2040nm	1030	1040