Reply by swirt

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Posted on Rust Removal problem Now With PICS!

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3541 posts in 3205 days

#1 posted 06-11-2010 05:37 PM

Even with long even strokes, the eraser or scotchbrite will follow the lows and highs as it conforms. If you want flat you have to use flat. Example: when restoring old hand saws, often people try to maintain the etch mark. If you use a sanding sponge or scotchbrite it will follow the dips into the etch and remove the etch and produce a finish that is bright but not mirror-like because it is not flat. If you use a flat block with sandpaper, it does not dip into the etch yet removes the metal around the etch. The resulting surface being flat is also more mirror like.

There is no real reason why your table saw top needs to be mirror like, but if the original surface was more mirror-like and you are trying to get the damaged section to go back to looking like that so it matches, then a solid flat block will get you there better than an abbrasive that conforms to the surface.

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