How To Remove Scratches From Acrylic Sheet Or Plexiglass 2. hold the heat gun 2–3 in (5.1–7.6 cm) from the plexiglass and turn it on. position the plexiglass so you can easily reach the scratch with your heat gun. keep the heat gun's nozzle at least 2 inches (5.1 cm) from the plexiglass so you don't accidentally cause it to melt or bubble. Water for the sandpaper. make sure that the acrylic sheet is cleaned either with dish soap or novus no. 1. then, follow this procedure to remove moderately deep (under 5 mm) scratches from acrylic: wet a piece of 600 grit sandpaper, and rub it onto the scratched portion in a circular motion. use a piece of dry 600 grit sandpaper, and rub it.
3 Easy Ways To Remove Plexiglass Scratches Wikihow Buff in your buffing compound with a rotary polisher that is set to the lowest speed. apply a slight amount of pressure so that you don’t damage your plexiglass. use your polisher until you can’t see the layer of buffing compound on top of the plexiglass anymore. this usually takes 2 to 3 minutes. Next, soak a piece of 1200 grit sandpaper in water and repeat the process, this time rubbing in a circular motion until all scratches have disappeared from the surface. dry with a soft, dry, clean cloth before using a different cloth (also soft and dry) to apply the plastic polish. apply again in a circular motion. 1. wet one piece of 600 grit sandpaper run it over the scratched area in a circular motion and repeat with a dry piece of 600 grit sandpaper too. rub with both wet and dry sandpapers for around 3 to 3 minutes. don't worry if your acrylic looks more frosty or scratched this will go away during the process. 2. Apply equal pressure and rub it for 3 4 minutes. the minor scratches will disappear. next, take a soft cloth and clean the residue left. the glass won’t have any more scratches. apply some acrylic plastic polish using a microfiber cloth. you may have to apply plastic polish a few times to get the desired shine.
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