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Pinhole Dust - fine wire brush & air
By:mike allen
Date: 5/24/2010, 4:17 pm
In Response To: S&G: Pin Holes and epoxy dust (John lasky)

: Im close to doing finish and ran across an issue PIN HOLES in epoxy
: filled with epoxy dust ( looks white) I would think when
: varnished the dust would saturate and go clear But I dabbed a
: bit of varnish on a few spots and Im sad to say that the spots
: stayed white, perhaps I did not giv the varnish enough time to
: soak I cleaned it off within a few seconds of applying the
: varnish.

: if the epoxy dust will not saturate what the best way to clean out
: the holes besides digging each out with a pin???

: there are not that many 3-4 small sections of multiple micro holes
: 4-5 little holes the size of a sewing needle point.

: HELP Please

Some hardware/machinery stores sell a set of 3 toothtype brushes (for abt $5), where each brush has a different bristle type: nylon, brass and stainless steel. The stainless steel bristles are really fine and will scratch out a fair proportion of the tiny holes with the white dust.

In my case however, I have a bad habit of pounding the brush into the resin at difficult areas and therebye foaming the resin which leave hundreds of miniscule bubbles that pinhole on sanding. The effective technique for those (like hundreds and hundreds and hundreds of them) was the brush mentioned above and to tape a syringe needle onto the end of an airhose and the finely directed air just blows the holes clear - the fine holes require attention one by one, but it works. I've used both an air compressor and a salvaged fridge compressor for the air with equally effective results.

Messages In This Thread

S&G: Pin Holes and epoxy dust
John lasky -- 5/24/2010, 2:20 pm
Re: S&G: Pin Holes and epoxy dust
Mike Savage -- 5/25/2010, 4:34 am
Re: S&G: Pin Holes and epoxy dust
Mike Hanks -- 5/24/2010, 9:34 pm
Re: S&G: Pin Holes and epoxy dust
Wesley Ewell -- 5/24/2010, 5:11 pm
Re: S&G: Pin Holes and epoxy dust
fred -- 5/24/2010, 4:19 pm
Pinhole Dust - fine wire brush & air
mike allen -- 5/24/2010, 4:17 pm
Re: Pinhole Dust - fine wire brush & air
Bill Hamm -- 5/25/2010, 1:40 am
Re: Pinhole Dust - fine wire brush & air
mike allen -- 5/25/2010, 7:17 pm
Re: Pinhole Dust - fine wire brush & air
Bill Hamm -- 6/3/2010, 2:46 pm
Re: S&G: Pin Holes and epoxy dust
Glen Smith -- 5/24/2010, 2:54 pm