Index

Nks001

Nks002

Zinc Oxide(min%) 

99.7

99.5

Metallic Metals(as ZnO max%) 

None

None

Lead Oxide(max% )

0.037

0.05

Manganese Dioxide(max %) 

0.0001

0.0001

Copper Oxide(max%)

0.0002

0.0004

Loss on Ignition (max %)

0.2

0.2

Volatilization at 105 Degree Celsium(max%)

0.3

0.4

Insolubles in HCl solution(max%) 

0.003

0.008

Solubility in water( max% )

0.10

0.10

Rubber-1

Rubber-2

Paint-1

Paint-2

Paint-3

Zinc Oxide(min %)

99.5

99.0

99.5

99.0

98.0

Lead Oxide(max %)

0.12

0.20

­-

-

-

Cadmium Oxide(max %) CdO

0.02

0.05

-

-

-

Copper Oxide(max %)

0.006

0.007

-

-

-

Manganese Dioxide (max %) MnO2

0.0002

0.0003

-

-

-

Metallic Metals(as Zn max%) 

None

None

None

-

-

Insolubles in HCl Solution (max %)

0.03

0.04

-

-

-

Losses on Ignition (max %)

0.4

0.6

0.4

0.6

-

Solubility in Water (max %)

0.4

0.6

0.4

0.6

0.8

Residues 320µm Wet Screen (max %)

0.28

0.32

0.28

0.32

0.35

Moisture (max %)

0.4

0.4

0.4

0.4

0.4

Hiding power(max g/m) 

-

-

150

150

150

Oil Absorption (max %)

-

-

18

20

20

Colour Killing (min%)

-

-

100

95

95

Index

I-class

II-class

Zinc Oxide (min%)

95-98

95-98

Moisture (max%)

0.7

0.7

Loss on Lgnition (max%)

1-4

1-4

Insolubles in HCI Solution (max%)

0.02

0.05

Lead Oxide (max%)

0.01

0.05

Manganese Dioxide (max%)

0.001

0.003

Copper Oxide (max%)

0.001

0.003

Fineness(45µm Screening Residues max%)

0.1

0.4

Specific Surface( min m2/g )

45

35

Bulk Density (min g/ml )

0.35

0.40