Begin to polish the sanded area by next using 800 grit sand-
paper.
use 400 grit sandpaper to sand the scratched area of the light
guide down to the depth of the scratch.
Repairing Light Guide Scratches
The scratch should not be discernible within the sanded spot
when this phase is complete.
Scratches in the acrylic light guide panel or lens can also
cause hot spots in the face panel. These scratches can be
entirely removed with no residual damage by following the
process outlined here.
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For more information, please visit 3-form.com or call 800.726.0126
JunE 2018 | MAn-020 Backlighting - LightBox | REV 009 © 2018 3form, Inc. All rights reserved.