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<p>[QUOTE=&quot;Conder101, post: 2063642, member: 66&quot;]All of these polishing compounds work on the same principle, a fine abrasive suspended in a slightly viscous liquid.&nbsp; The larger the size of the abrasive particle the faster it cuts and removes larger scratches faster.&nbsp; But it also creates scratches of its own dulling the surface.&nbsp; But if a coarser abrasive is followed by using a finer one it polishes away the heavier scratches.&nbsp; That is why you will find some plastic polishing kits have two or three different grades of polishing compound.</p><p><br /></p><p>Some people mention toothpaste, it would work on heavier scratches because it is a coarser abrasive, but it would need to be followed with a finer abrasive polishing compound,</p><p><br /></p><p>Think of it like woodworking.&nbsp; When you start sanding your project you don&#039;t start with 600 grit, you start with 100, then 220, then 400 etc.[/QUOTE]</p><p><br /></p>

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