Jj

JR

14/12/2003 2:24 PM

Sanding shellac finish

I'm about to apply Minwax water base polyacrylic satin finish to some
maple pieces. The manufacturer recommends 3 coats, sanding between
coats with 220 paper.

I was told that instead of using 220 paper, the same effect can be
achieved with gray (extra fine) Scotch teflon pads.

Does anybody have any experience with this method, good or bad?

TIA,
JR


This topic has 4 replies

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Andy Dingley

in reply to JR on 14/12/2003 2:24 PM

14/12/2003 5:13 PM

On Sun, 14 Dec 2003 14:24:43 GMT, JR <[email protected]> wrote:

>I was told that instead of using 220 paper, the same effect can be
>achieved with gray (extra fine) Scotch teflon pads.

Brown maybe. But the greys are _very_ fine (and not Teflon either)

RM

"Ron Magen"

in reply to JR on 14/12/2003 2:24 PM

14/12/2003 6:21 PM

JR,
FWIW . . .
I have used the Minwax product for several projects. I like for 'working'
items because it gives a HARD, durable, finish.

I use the same general technique/schedule as when I apply a deep Marine
Varnish.
'Raw' wood - sand to 150 - 220grit. Vacuum, wipe with water dampened
lintless cloth {at this point you can allow the wood to dry, then sand &
wipe again, or apply first coat}

First Coat - apply THIN & SMOOTH - when dry, lightly sand with 220 grit,
vacuum, wipe with dampened cloth
Second Coat - same process, only use 320 grit
Third Coat - same process, 400 grit
Forth Coat - same process -
for Gloss, apply thinly, let dry. 'Polish' with a good paste wax, and buff
to a deep shine.
For SATIN . . . instead of waxing, evenly rub with medium 3-M pad . . . in
ONE {grain} direction.

EXPERIMENT to find which 'coarseness' of the pads YOU favor. The NON-METAL
synthetics are recommended for 'between coat' rub downs because they DON'T
leave fine ferrous particles which will react with the water vehicle and
cause RUST STAINS between coats.

Regards & Good Luck,
Ron Magen
Backyard Boatshop
{PS: To me, 3 coats are just the BASE . . . I typically use at least 6 coats
for depth and a long 'service life' }
"JR" <[email protected]> wrote in message
news:[email protected]...
> I'm about to apply Minwax water base polyacrylic satin finish to some
> maple pieces. The manufacturer recommends 3 coats, sanding between
> coats with 220 paper.
>
> I was told that instead of using 220 paper, the same effect can be
> achieved with gray (extra fine) Scotch teflon pads.
>
> Does anybody have any experience with this method, good or bad?
>
> TIA,
> JR

Sd

Silvan

in reply to JR on 14/12/2003 2:24 PM

14/12/2003 12:43 PM

JR wrote:

> Does anybody have any experience with this method, good or bad?

On shellac, as indicated by your subject line, or on polyurethane, as
indicated by the body of your text? :)

Sorry, couldn't resist. Anyway, no, I haven't used the 3M pads. I've used
steel wool with good effect on polyurethane. I use sandpaper on shellac,
because it seems to work better to me. I usually have quite a lot to sand
off with shellac, since I haven't mastered getting a thin, even coating.

--
Michael McIntyre ---- Silvan <[email protected]>
Linux fanatic, and certified Geek; registered Linux user #243621
http://www.geocities.com/Paris/Rue/5407/

BA

Bay Area Dave

in reply to JR on 14/12/2003 2:24 PM

14/12/2003 5:30 PM

Teflon? I thought that was for frying pans so your eggs won't stick?
Anyway, extra fine synthetic steel wool, if that's what you are talking
about, is MUCH finer than 220 sandpaper. It won't provide any tooth for
the finish to adhere to, which is why you are instructed to sand between
coats.

dave

JR wrote:

> I'm about to apply Minwax water base polyacrylic satin finish to some
> maple pieces. The manufacturer recommends 3 coats, sanding between
> coats with 220 paper.
>
> I was told that instead of using 220 paper, the same effect can be
> achieved with gray (extra fine) Scotch teflon pads.
>
> Does anybody have any experience with this method, good or bad?
>
> TIA,
> JR


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