A.

NAME

:

ZINC CHROME

B.

COLOUR INDEX NAME

:

Y-36

C.

COLOUR INDEX NUMBER

:

77955

PROPERTIES

REQUIREMENTS

A.

Volatile matter, % by mass,Max

:

1.0

B.

Oil absorption, Min

:

15

C.

Matter insoluble in ammoniacal Ammonium chloride solution, % by mass,Max

:

0.5

D.

Combined water, % by mass,Max

:

8.0

E.

Chromic anhydride (CrO3),% by mass

:

43.0

F.

Total zinc content ( as ZnO),% by mass

:

36.5 to 40

G.

Alkali metal content(as K2O),% by mass

:

10.0 to 12.0

H.

Water soluble sulphate(as SO4), % by mass

:

Max. 0.1

I.

Water soluble chlorides(as Cl), % by mass

:

Max. 0.1

J.

Water soluble nitrates(as NO3), % by mass

:

Max. 0.1

E.

Water soluble chromate (as CrO3),% by mass

:

0.25 to 0.50