United Arab Emirates
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Shanghai Ruifeng Chemicals co.,ltd
China Manufacturer with main products: Titanium Dioxide, Carbon Black, Zinc Oxide, Oxalic Acid |
Specifications
Zinc Oxide :Zinc White, ZnO
Test Means: GB/T3185-92
|
ITEM (indirect)
|
INDEX
|
|
|
Nks001
|
Nks002
|
|
|
Zinc oxide(ZnO)% ≥
|
99.7
|
99.5
|
|
Metallic metals(as ZnO) ≤
|
None
|
None
|
|
Lead oxide(PbO)% ≤
|
0.037
|
0.05
|
|
Manganese(Mn) % ≤
|
0.0001
|
0.0001
|
|
Copper Oxide(CuO)% ≤
|
0.0002
|
0.0004
|
|
Loss on ignition % ≤
|
0.2
|
0.2
|
|
105 degree volatiles%≤
|
0.3
|
0.4
|
|
Insolubles in HCL solution % ≤
|
0.003
|
0.008
|
|
Solubility in water % ≤
|
0.10
|
0.10
|
Test Means: GB/T3494-1996
|
Index item (direct)
|
Rubber-1
|
Rubber-2
|
Paint-1
|
Paint-2
|
Paint-3
|
|
Zinc oxide% ≥
|
99.5
|
99.0
|
99.5
|
99.0
|
98.0
|
|
Lead oxide(Pbo)% ≤
|
0.12
|
0.20
|
-
|
-
|
-
|
|
Cadmium oxide (Cdo)% ≤
|
0.02
|
0.05
|
-
|
-
|
-
|
|
Copper Oxide(Cuo)% ≤
|
0.006
|
0.007
|
-
|
-
|
-
|
|
Manganese(Mn) % ≤
|
0.0002
|
0.0003
|
-
|
-
|
-
|
|
Metallic metals(as Zn) ≤
|
None
|
None
|
None
|
-
|
-
|
|
Insolubles in HCL solution % ≤
|
0.03
|
0.04
|
-
|
-
|
-
|
|
Losses on ignition % ≤
|
0.4
|
0.6
|
0.4
|
0.6
|
-
|
|
Solubility in water;% ≤
|
0.4
|
0.6
|
0.4
|
0.6
|
0.8
|
|
Screening residues(320µm wet screen)% ≤
|
0.28
|
0.32
|
0.28
|
0.32
|
0.35
|
|
Moisture % ≤
|
0.4
|
0.4
|
0.4
|
0.4
|
0.4
|
|
Hiding power(g/m) ≤
|
-
|
-
|
150
|
150
|
150
|
|
Oil absorption,% ≤
|
-
|
-
|
18
|
20
|
20
|
|
Colour killing% ≤
|
-
|
-
|
100
|
95
|
95
|
Test Means: HG/T2572-94
|
Item (Active)
|
Index
|
|
|
I-class
|
II-class
|
|
|
Zinc oxide(ZnO)% ≥
|
95-98
|
95-98
|
|
Moisture % ≤
|
0.7
|
0.7
|
|
Loss on ignition % ≤
|
1-4
|
1-4
|
|
Insolubles in HCL solution %
|
0.02
|
0.05
|
|
Lead oxide(PbO)% ≤
|
0.01
|
0.05
|
|
Manganese oxide(Mn) % ≤
|
0.001
|
0.003
|
|
Copper oxide(Cu)% ≤
|
0.001
|
0.003
|
|
Fineness(45µm Screening residues) % ≤
|
0.1
|
0.4
|
|
Specific surface m2/g ≥
|
45
|
35
|
|
Bulk density g/ml ≥
|
0.35
|
0.40
|
Packing: 25KG plastic woven bag lined with plastic film
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