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Reply by CaptainKlutz

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Posted on Rust Prevention

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CaptainKlutz

1938 posts in 2029 days


#1 posted 09-19-2019 09:33 PM

I use generic brand plastic scuff pads (3m – Scotch Brite) instead of steel wool.

Use white (~1000 grit or 0000 steel wool equivalent) for general cast iron touch ups, and the folded pad stays in wax can when not being used. Using white pad helps me to know if I really scuffing oxides off the surface, and getting wax into pores; as the excess wax turns grey on pad.

For minor sweat drops starting to blacken, use a Gray pad (~600 grit) and remove rust and wax same time.

If I find a spot of heavy surface rust, or pitting; and above don’t work, I use the red or green pad.
The challenge with maroon/green is different mfg has slightly different grits for these colors. For 3M, the green is 600 grit, and red/maroon is 320-400. For generic unbranded stuff, the seem to be reversed with maroon pad being a medium grit, and green being course grit.

Remove the wax/buff out surface with regular cotton shop rag. Wax residue needs to be slightly hard to remove, or you are pushing around wet wax and leave a much thinner film on surface.

YMMV

-- I'm an engineer not a woodworker, but I can randomly find useful tools and furniture inside a pile of lumber!


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