Hingst’s Sign Post: Painting Acrylic Signs

“The extraordinary clarity of acrylic sheet makes it an excellent substrate for backlit signs, which is why it remains the product of choice. Acrylic is typically painted in reverse on the second surface of the sheet. Acrylic provides tremendous protection from the degrading effects of UV light.

“Paint must be thinned to the right viscosity for spray painting. Always use the reducers that the paint manufacturer makes for their paints. This will ensure chemical compatibility. Always thin paints according to the paint manufacturer’s recommendations. Some thinners can craze acrylic sheet. Given a choice between a mild thinner and one with strong solvents, such as toluene or benzene, always use the milder one. Finally, always test the paint and the acrylic sheet for compatibility.”

To read more, check out the latest “Hingst’s Sign Post” blog from Jim Hingst.


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