Usage: Used in the industries of paint, rubber, medicine, chemical engineering, automotive industry and light industry.
Production method: Produce through high-temperature sublimating and cooling with material of 0# zinc ingots.
Physical properties: Non-toxic, odorless, white or light yellow, light powder and deliquescent.
Packing and storage:Packed with plastic-lined and plastic woven bag of 25kg per bag. It must be kept from breakage, pollution and encounter with acid.
Specification:
|
Item
|
Test Standard ( French method)
|
|||
|
Zinc oxide (calculated
by dry product)%≥
|
99.7
|
99.7
|
99.8
|
99.5
|
|
Lead oxide (calculated with PbO)% ≤
|
0.2
|
0.8
|
0.002
|
0.1
|
|
Cadmium oxide (calculated with CdO) % ≤
|
0.001
|
0.001
|
0.0001
|
0.0003
|
|
Copper oxide (calculated with CuO) % ≤
|
0.0002
|
0.0002
|
0.0001
|
0.0003
|
|
Manganese(calculated with Mn)%≤
|
0.0003
|
0.0003
|
0.0002
|
0.0004
|
|
Metal (calculated with Zn)% ≤
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Water soluble % ≤
|
0.02
|
0.04
|
0.02
|
0.1
|
|
Loss on ignition % ≤
|
0.08
|
0.01
|
0.04
|
0.2
|
|
Indissoluble Hydrochloric acid matter %≤
|
0.04
|
0.08
|
0.003
|
0.05
|
|
Screening residue (45μm wet sieve) %≤
|
0.1
|
0.1
|
0.1
|
0.15
|
|
volatile substance at 105℃% ≤
|
0.4
|
0.4
|
0.3
|
0.5
|