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Meguiar's on cast iron?

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  • #1

    Meguiar's on cast iron?

    So, a little different twist here. I've used Megs with great success on my vehicles for years. I've just completed a restoration on the cast iron top of my 50 (yes, 5-0) year old table saw and need to get to the high luster stage. I started with 320 on a DA followed by 600-2000 wet-dry by hand. I'm not after a mirror finish, but pretty darn close. I'm thinking that 105 may do the trick, but am seeking advice from those who have been down this path. If 105 has silicone in it, that would be a show stopper. Woodworking and silicone don't play well together at all. Tools on hand: rotary, DA, numerous expendable pads, elbow grease. All advice welcome. TIA

    Gavin Payne
    Tags: None
  • #2
    Re: Meguiar's on cast iron?

    This sounds like a really fun project.

    If I were to attack this, I'd keep working up on the wet/dry papers. 3000 is out there, probably at your local body shop supply. 3M has recently come out with a 5000 paper. I have yet to see it in person, but I have the neighbor looking for it...he works for 3M. As to using 105, it is 'body shop safe', hence it shouldn't have any silicone.

    I hear ya about the 'sillycones' vs wood!

    Thinking back about cast-iron, using WD-40 did/does help to keep the top from rusting.

    Bill

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    • #3
      Re: Meguiar's on cast iron?

      M105 contains zero silicone - in fact, none of the compounds, paint cleaners, cleaner/polishes or pure polishes in the Mirror Glaze Pro line contain any silicone at all. The waxes and sealants do, yes, but not the others. If you've been sanding this surface with ever finer grit abrasive media then M105 could certainly be used to remove the last of the very fine sanding marks and potentially bring up the lustre you're after. It can be applied any number of ways, from hand with a terry cloth applicator to rotary with wool and anything in between. It's almost impossible for us to offer any more specific guidance beyond this since we've never used M105 (or anything else, for that matter) to shine up cast iron. It was designed for use on automotive paint, after all. But we do know of several people who've used it with great success to polish all sorts of bare metals, from stainless to aluminum and even copper. There's no reason why it wouldn't work on cast iron, we just can't necessarily tell you what application process is going to be "best". We'll let you experiment with that one (but we'd still love to see some pictures!).
      Michael Stoops
      Senior Global Product & Training Specialist | Meguiar's Inc.

      Remember, this hobby is supposed to be your therapy, not the reason you need therapy.

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      • #4
        Re: Meguiar's on cast iron?

        Bill, thanks for the tip on the 3k/5k papers. I'll keep an eye out for them. Right now, at 2k, the surface scratches look pretty good, so I may not need to take it much further with paper.

        Mike, thanks for your "no silicone" confirmation. Realizing that I'm using 105 for an unintended purpose I'm going to give it a whirl with my rotary. I've got an old wool pad and a couple of trashed polishing pads to sacrifice for the cause. This should prove interesting and if the results are what I think they may be, I'll post up a pic. Thanks again!

        Gavin

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