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PAINTING Chemcast® GP may be painted by spraying, by
screening, or by brushing. Each paint manufacturer makes grades
of paint matched to each type of application. COLOR COAT The color coat should be at least one mil thick
for best durability. When painted Chemcast® GP sheets are
thermoformed at high forming temperatures, some colors may tend
to bleed. This can be overcome by forming at temperatures no
higher than 340°F. TOP COAT It is often advantageous to apply a clear top
coat over the color coat to protect the paint from mild abrasion
during cleaning and handling. However, the top coat does not add
to the life of the paint system. Second surface painted sign faces may be top
coated with a fine mist coat of white mixed with 30 percent
clear. This will improve the diffusion and inner reflectance of
the sign lighting, and will help wash out pinholes and protect
the decoration. |
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Copyright © Plastiglas de Mexico 1999
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