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Zinc Oxide

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Specifications

Industrial Zinc Oxide
Zinc content: 99.0%, 99.5%, 99.7%
Basic information
Formula: ZnO
CAS Number: 1314-13-2
MolecularWeight: 81.37
Character:
White powder, density 5.606, melting point 1975 cent degree, double gender oxide, can't dissolve in water or grain alcohol, dissolve in acid or alkali liquor. Yellow color under high temperature, back to white after cooling
Comparing with others, Industrial Zinc Oxide has the following advantages:
1. Small diameter, granularity uniformity, high disperse ability, chemical reaction speed quickly, completely and simultaneously.
2. High content, high pure degree product with this material, strong stability, little impurity, reduce greatly effects of main products from other resultant.
3. Single granule density small, specific gravity small, can't deposit easily during reaction processing.
4. Pure white color, no effect for products after reaction.
Use: Rubber, paints, medicine, ink, cable, electron, coinage, ceramic, match, chemical, cosmetic and other industrial materials
item (indirect method) First grade Second grade Third grade

ZnO dry 99.7min 99.5min 99.0min

Pb 0.037max 0.06max 0.1max

Mn 0.0001max 0.0001max 0.0001max

Cu 0.0002max 0.0002max 0.0002max

Insoluble in hydrochloric acid 0.006max 0.01max 0.1max

Loss on ignition 0.2max 0.2max 0.2max

Screen residues(through 45 micron wet screen) 0.1max 0.1max 0.1max

volatile( 105 degree Celsius) 0.3max 0.3max 0.3max

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