zinc oxide

Performance: 99.7% indirect-method ZnO is produced by an oxidation method and a calcination method. It is white powder stable at normal temperature, has good hiding power and tinctorial strength, can dissolve in acid, alkali and ammonia salt solution, and belongs to amphoteric zinc oxide.

Application: All-steel radial tires, diagonal tires, automobile capsules, hoses, tape, gloves and other rubber products; paint, medicine, cables, electronics, coinage, enamel, chemical engineering, cosmetics, phosphating liquid, electronic laser materials, etc.

Packing: Polypropylene woven bags or kraft paper bags lined with plastic film bags, 25 kg in net weight each

 

Technical Index of 1st Product: GB/T3185-92

 

Catalog
Index

Model
SP-T1(special grade 1)
SP-T2(special grade
SP-T3(special grade 3)

ZnO (based on dry products)%≥
99.8
99.7
99.5

metal (based on Zn) %≤




PbO (based on Pb) %≤
0.0028
0.037
0.04

CuO (based on Cu) %≤
0.0001
0.0002
0.0004

MnO (based on Mn) %≤
0.0001
0.0001
0.0001

Hydrochloric acid insoluble matter %≤
0.003
0.012
0.015

Ignition loss %≤
0.13
0.2
0.2

Water soluble matter %≤
0.01
0.1
0.2

Residue on screen (320 mesh) wet screening %≤
0.10
0.13
0.2

105°C volatile matter %≤
0.06
0.3
0.4

Specific surface area (m²/g)%≥
60
50
45

Particle size um
20-40(um)
25-40
25-40
 

 

 



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zinc oxide
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