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RAINBOW CEMENT COLORS are universal pigments which can be used to tint any type of cement or gypsum product. They are completely compatible with one another for mixing so that an endless variety of shades can be achieved.

• TECHNICAL DATA:
• All colors are metal oxides and natural earth
• pigments and meet the standards established by
• ASTM C-979 "Pigments for Integrally Colored
• Concrete".

INSTALLATION:
Mixing: Tinted Cement Or Gypsum
If mixing is done by hand, place the sand in the
bottom of the mixing box, spread the cement over it,
and sprinkle the predetermined amount of pigment
over the cement.  The whole batch should be
thoroughly mixed dry until the entire batch is of
uniform color and free of streaks.  Water should
then be added to bring the mixture to the proper
consistency and the whole batch wet mixed.  Do not
use more water than is necessary as a wet mix is
difficult to handle and weakens the concrete.  On
large jobs it is often economical to mix mechanically
rather than manually.  When using a mixer, the
same care must be taken in weighing all ingredients
and in thoroughly dry mixing to a uniform color
before the water is added.