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  1. 2nd January 2018, 07:50 PM #1
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    thumbsucker
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    Default Abrasive to Rub Back Shellac

    I have put down about 10 coats of 1/4 pound cut of shellac as a sanding sealer.

    I used Tripoli powder as a grain filler on red oak. It has been curing for a week now.

    I am now looking to rub it back to remove any imperfections in the base coat.

    My research says that Tripoli powder is about #1200 grit. Is this True?

    I am looking at 3M™ Aluminum Oxide Films 3µ (about 4000x) & the 1µ (8000x)

    Or should I use something else? like Superfine Rubbing Pad, per foot 3M™ Rubbing Pads

    I then plan to build up the body and then rub back again and finally finish with conservators wax.
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  3. 3rd January 2018, 01:59 PM #2
    Luke Maddux
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    It's been my experience that polishing shellac smooths it out to a glassy surface without the need for super fine abrasives. I just use 320 or 400 grit. Whatever the final sanding I use on the wood is.

    But that's French Polishing... Maybe you're trying to achieve something different?

    Cheers,
    Luke
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  4. 12th January 2018, 06:45 AM #3
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    Sorry for the late response. Have a look at our updated Tripoli information, only uploaded at 6:30 this morning

    http://www.ubeaut.com.au/pdf/no4.pdf

    Cheers - Neil
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  5. 12th January 2018, 01:15 PM #4
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    Neil thanks for the info. Luke it has also been my experience that 400 grit does give a very smooth surface. However I was wondering if I could improve my finish. Because Lee Valley sells the super fine grits claiming them for French polishing. I will have a go at the 1200 grit range and see if it is any better then the 400.
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  6. 13th January 2018, 10:25 AM #5
    Tony ray
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    I use wet and dry and work my way up through the grits from 600 ,800, 1200, 1500, 2000, 2500, then use a buffing compound to get a mirror finish.
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