The Constructor

PRODUCTION OF COLOURED FINISHES WITH WHITE CEMENT

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PRODUCTION OF COLOURED FINISHES WITH WHITE CEMENT

Colours Desired

Commercial Names of Colours

Approx. Qty required (kg per bag of cement)

Light Shade

Medium Shade

Greys, blue-black and black

Lampblack*, or

carbon black* or

black oxide of manganese* or

 mineral black

0.25

0.25

0.50

 

0.50

0.50

0.50

1.0

 

1.0                 

Blue

Ultramarine blue

2.30

4.10

Brownish red to dull brick red

Red oxide of iron

2.30

4.10

Bright red to vermilion

Mineral turkey red

2.30

4.10

Red sandstone to purplish red

Indian red

2.30

4.10

Brown to reddish brown

Metallic brown (oxide)

2.30

4.10

Buff, colonial tint and yellow

Yellow ochre or

yellow oxide

2.30

1.00

2.00

2.00

Green

Chromium oxide or

Greenish blue ultramarine

2.30

 

2.70

4.10

 

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* Only first-quality lampblack should be used. Carbon black is light in weight and requires very thorough mixing. Black oxide or mineral black is probably most advantageous for general use. For black, use 5 kg of oxide for each bag of cement.

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