Abrasive sponges

I got some for panel scuffing. I'm finding that used dry, they clog fast and when wet, they roll over.
 
if we are talking about the 1/8" thick 3m grey ones then yes i use them in the medium grit which is about 180-220. i cut them in half sheet size and use them to prep non metal surfaces for primer, gelcoat etc. they work great for this in oddly shaped areas and up tight to a fineline edge where you cant get a sander. i do find the grit on them wears out quick or falls off. they really got the density of the foam right on them though. once they are worn out i use them for a backup pad. i get the brown eagle assilex sheets and wrap it around the foam. the eagle stuff lasts 10 times as long as the original pad plus its sharper and cuts quicker. eagle's assilex backup pads are way too soft and dont work well at all.
 
Ya, I've never used the coarser ones. but i agree on the way the foam feels.. I may have to eventually try the coarser ones. Probably be good on door jambs and areas like that.
 
if we are talking about the 1/8" thick 3m grey ones then yes i use them in the medium grit which is about 180-220. i cut them in half sheet size and use them to prep non metal surfaces for primer, gelcoat etc. they work great for this in oddly shaped areas and up tight to a fineline edge where you cant get a sander. i do find the grit on them wears out quick or falls off. they really got the density of the foam right on them though. once they are worn out i use them for a backup pad. i get the brown eagle assilex sheets and wrap it around the foam. the eagle stuff lasts 10 times as long as the original pad plus its sharper and cuts quicker. eagle's assilex backup pads are way too soft and dont work well at all.
I have the Norton but the same thang.
 
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