Product Main

Specifications

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¡ãC %<=
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