zeds4ever Posted November 29, 2011 Posted November 29, 2011 Had a problem with a piece of perspex on one of my instrument panels that was fairly severely scratched. I tried several recommended ways, but found the best & easiest solution was to use a product called "Gumption". I applied this liberally to the affected part & then polished it into the area in a circular motion with a damp soft cloth I then wiped this clean & repeated this operation a few times until the offending mark was removed. It works a treat. Regards; Alan. Quote
luvemfast Posted November 29, 2011 Posted November 29, 2011 I've used a cutting compound too. Worked well. Quote
gilltech Posted November 29, 2011 Posted November 29, 2011 I've heard that modelling guys use toothpaste??? as a fine polishing medium on clear plastic & perspex. Quote
zeds4ever Posted November 29, 2011 Author Posted November 29, 2011 I tried the "toothpaste " method & several others including "cutting compound", but found that "gumption" was more effective. Regards: Alan. Quote
gilltech Posted November 30, 2011 Posted November 30, 2011 So who makes 'Gumption', Alan? Is it something available from the usual Supercheap etc? Quote
RayRay Posted November 30, 2011 Posted November 30, 2011 Gumption is available at Bunnings/Coles in the bathroom and kitchen cleaning isle hehe. A method I have used is to wet sand with various grit paper (I like to use 320, 800, 1000, 1500 and 2000 grits) the plastic, in my case a headlight, then move onto a liquid cutting compound or plastic scratch remover. Then wax it to seal it from the sun. Headlights look brand new! Quote
Zedsabbath Posted December 6, 2011 Posted December 6, 2011 Must investigate that Gumption, sounds like good stuff I tried RayRay's method years ago to remove deep scratches, fine emery first then used the old Repo car polish, worked well For 240Z tail lights to make them like new, I used a loose (not stitched all the way out to outer edge) cloth buffing wheel on a bench grinder and a small amount of fine buffing rouge, very lightly buffing the tail light lenses, too heavy and the plastic burns, so practiced on an old broken one first....results were pretty spectacular Pete Quote
Moderators Zedman240® Posted December 7, 2011 Moderators Posted December 7, 2011 I use a bench grinder with a buffing wheel and compound to polish scratched CD/DVD's (Thanks kids!) works like a charm. Quote
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