What information do you have on light piping?

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What information do you have on light piping?

The very low light absorption characteristic of ACRYLITE® cast (GP) and ACRYLITE® extruded (FF) acrylic sheet makes it perfect for light piping applications, such as engraved signs, inspection lights, instrument dials, and other similar items. To prevent excessive light loss at curves, the radius of curvature should not be less than three times the sheet's thickness. It is important that the sheet’s surfaces be highly polished and free of scratches to assure optimum reflection and prevent light scattering.

The amount of light that enters a sheet from the edge depends on the sheet thickness and the edge transparency. Edges should be highly polished to maximize light transmission. Edges through which light will not enter should be polished and covered or coated with a highly reflective material to increase internal reflection. Large sheets may need to be illuminated from two or all four edges.

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