Production Of Coloured Finishes With White Cement

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 -

* 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.