Chemical industry Standard of People's Republic of China HG/T2523-93
|
ITEMS
|
|
||
|
High-Class
|
First-Class
|
Qualified
|
|
|
Zn % ≥
|
57.5
|
57.0
|
56.5
|
|
Loss on dry
|
25.0-28.0
|
25.0-30.0
|
25.0-32.0
|
|
Pb content % ≤
|
0.04
|
0.05
|
0.05
|
|
Moisture ≤
|
2.5
|
3.5
|
5.0
|
|
So4 % ≤
|
0.60
|
0.80
|
-
|
|
Fineness through 75 um Screen ≥
|
95.0
|
94.0
|
93.0
|
|
Cd content % ≤
|
0.10
|
-
|
-
|
Properties: white or yellowish fine amorphous powder, ***ell-less, tasteless. The proportion is 4.42-4.45, does not dissolve in water and alcohol, slightly soluble in ammonia, can dissolve in the diluted acid and the sodium hydroxide.
Application: It is used in pigments, ceramics and the manufacture of crepe and sponge, being particularly
suitable when low pigmentation is desired. If has other uses in the paint industry and as an
activator in the rubber industry.
Package: by 25kgs PP WOVEN BAGS WITH INNER PE BAGS net weight .
If need pallet. 1x20ft FCL load 15mt . 1FCL can load 18-20mt without pallet .