Zinc Sulfate
Introduction of products:
Zinc Sulphate Monohydrate
|
Item
|
Standard
|
|
Zn
|
35%
|
|
Pb
|
0.001%max
|
|
As
|
0.0005%max
|
|
Cd
|
0.001%max
|
|
size
|
2-4mm,1-2mm,0.5-1mm
|
Packing:Net weight 25Kgs or 50kgs with plastic woven bag ; Or 1000kgs big bags
Application: it is mainly used as raw material for the production of lithophone and zinc salts. It is also used in synthetic fiber industry, zinc plating , pesticides, flotation, fungicide and water purification. In agriculture, it is mainly used in feed additive and trace element fertilize, etc
Zinc Sulfate Heptahydrate
|
Index Item
|
Index
|
|
Type I
|
Type II
|
|
Super Grade
|
Grade1
|
Qualified Grade
|
Super Grade
|
Grade1
|
Qualified Grade
|
|
Zinc oxide %≥
|
99.70
|
99.50
|
99.40
|
99.70
|
99.50
|
99.40
|
|
Metallic metals (as Zn) %≤
|
None
|
None
|
0.008
|
None
|
None
|
0.008
|
|
Lead oxide (as pb) %≤
|
0.037
|
0.05
|
0.14
|
-
|
-
|
-
|
|
Manganic oxide (as Mn) %≤
|
0.0001
|
0.0001
|
0.0003
|
-
|
-
|
-
|
|
Copper oxide (as Cu) %≤
|
0.0002
|
0.0004
|
0.0007
|
-
|
-
|
-
|
|
Insolubles in HCL solution%≤
|
0.006
|
0.008
|
0.05
|
-
|
-
|
-
|
|
Losses on ignition %≤
|
0.2
|
0.2
|
0.2
|
-
|
-
|
-
|
|
Screening residues (through 45µm mesh) %≤
|
0.10
|
0.15
|
0.20
|
0.10
|
0.15
|
0.20
|
|
Soluble matters in Water %≤
|
0.10
|
0.10
|
0.15
|
0.10
|
0.10
|
0.15
|
|
Volatile matters at 105°C %≤
|
0.3
|
0.4
|
0.5
|
0.3
|
0.4
|
0.5
|
|
Oilabsorption g/100g ≤
|
-
|
-
|
-
|
14
|
14
|
14
|
|
Colour (compared with standard specimen)
|
|
-
|
-
|
Similar
|
Few
|
Little
|
|
Colour killing ( Compared with standard specimen)
%≥
|
-
|
-
|
-
|
100
|
95
|
90
|
Packing:25kg, 50kg, big bag or as required by the customer
Application:For paint,printing ink,rubber,cable, medicines,electronics ,papermaking ,enamel,match,cosmetic and other chemical industry application