Gypsum rubbing to obtain a uniform color

in hobby •  5 months ago

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If you need to paint plaster apply color pigments. As a rule, these are powders, iron oxide pigments. The process takes place as follows, in pigs add pigment in a certain amount. Maximum is desirable to add a maximum of 10%. In this case, gypsum potine loses its properties.
If you add a couple of percent, the colors will be light. More than 5% percent, Nips in darker tones of color.
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To evenly distribute the pigment among gypsum, it must be well re-animated. This is done by friction. They also say pereterat, tool or stone, pigment and gypsum pounded.
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Rub and mix, and so on until the tone becomes uniform. Then you can knead the dough.

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