Zinc oxide

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Zinc oxide

Synonyms: Zinc white; C.I. pigment white 4
CAS NO.: 1314-13-2
Molecular Formula: ZnO Molecular Weight: 81.39

Property:

Zinc oxide is White powder, density 5.606, melting point 1975 0C. Zinc oxide is an amphoteric oxide. Zinc oxide is insoluble in water or ethanol, soluble in acid-base solution, high temperature yellow, cool colors to restore whiteness.

Specifications:

Item Index
ZnO% e 99.7% 99.5% 99.4% 99%
Metal( Zn) % d None None None 0.01
Lead oxide( Pb) % d 0.037 0.04 0.043 0.15
Cupric oxide( Cu) % d 0.0002 0.0004 0.0005 0.0004
Manganic Oxide( Mn) % d 0.0001 0.0001 0.0001 0.0001
Hydrochloric indisssoluble substance % d 0.012 0.015 0.016 0.05
Burning decrement% d 0.2 0.2 0.2 0.2
Water Dissoluble % d 0.1 0.2 0.25 0.2
105oCvolatile substances % d 0.3 0.4 0.45 0.4
Specific surface area( M2/ g) e 50 45 44 40
Sieve residue ( um) 4-20 4-50 4-50 /

Usage:

Zinc oxide is used in rubber industry, paints industry, ceramics industry, floor tile, glass, feed additive, etc.

Packing:

In plastic bag, 25kg/ bag.

Key words:

Zinc oxide, Zinc white; C.I. pigment white 4

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