Usage: Used in the industries of paint, rubber, medicine, chemical engineering, automotive industry and light industry.
Production method: Produced through high-temperature sublimating and cooling with raw material of 0# zinc ingots.
Physical properties: Non-toxic, odorless, white or light yellow, light power and deliquescent.
Packing and storage: Be packed with plastic-lined and plastic-coated woven bag. 25kg per bag. Must be kept from breakage, moisture, pollution and encounter acid.
Specification:
|
Item
|
Index (by American method)
|
||||
|
Zinc oxide (counted
by dried substances)%≥
|
90
|
95
|
98
|
99
|
99.5
|
|
Lead oxide (PbO)% ≤
|
0.75
|
0.42
|
0.30
|
0.20
|
0.12
|
|
Cadmium oxide (CdO) % ≤
|
0.18
|
0.15
|
0.15
|
0.05
|
0.02
|
|
Cupric oxide (CuO) % ≤
|
0.001
|
0.001
|
0.0003
|
0.0003
|
0.0001
|
|
Manganese (Mn) % ≤
|
0.03
|
0.0001
|
0.0001
|
0.0001
|
0.0001
|
|
Metal (Zn) % ≤
|
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Indissoluble Hydrochloric acid matter %≤
|
0.05
|
0.04
|
0.05
|
0.03
|
0.03
|
|
Loss on Ignition % ≤
|
0.06
|
0.06
|
0.06
|
0.04
|
0.04
|
|
Water soluble % ≤
|
0.9
|
0.9
|
0.8
|
0.6
|
0.4
|
|
Screening residue (45μm wet sieve) % ≤
|
0.5
|
0.4
|
0.4
|
0.32
|
0.28
|
|
volatile matter at 105℃ % ≤
|
0.4
|
0.4
|
0.4
|
0.4
|
0.4
|