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Wet Sanding vs Dry Sanding

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Forum topic by gfadvm posted 10-27-2012 01:32 AM 1959 views 0 times favorited 10 replies Add to Favorites Watch
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gfadvm

11542 posts in 1442 days


10-27-2012 01:32 AM

Topic tags/keywords: wet sanding lubricants

When sanding finishes to 600 and higher grits, what is the advantage of wet sanding? Question #2: What lubricant is best for wet sanding shellac? Thanks for considering these.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm


10 replies so far

View NiteWalker's profile

NiteWalker

2710 posts in 1329 days


#1 posted 10-27-2012 01:38 AM

1. The main advantage is lack of sanding dust to clog up the paper or the air. It also goes a lot easier.
2. I’m no expert on the subject, but I’d not wet sand shellac. Otherwise I use distilled water with a bit of dawn as my lube. I learned the trick from Charles Neil.

-- He who dies with the most tools... dies with the emptiest wallet.

View DocSavage45's profile

DocSavage45

5370 posts in 1594 days


#2 posted 10-27-2012 01:38 AM

Only know about wet sanding in car painting. Creates a slurry using the paint that comes off as additional sanding material. But thats from a novice painter. Be interested in the responses.

-- Cau Haus Designs, Thomas J. Tieffenbacher

View vonhagen's profile

vonhagen

498 posts in 1117 days


#3 posted 10-27-2012 01:39 AM

no heat will be generated and and you will get a full fill finish or piano finish. water is what i use

-- no matter what size job big or small do a job right or don't do it at all.

View hhhopks's profile

hhhopks

565 posts in 1129 days


#4 posted 10-27-2012 01:57 AM

Your sandpaper will last much longer (less clog).
I have used water and Mineral Spirite.
I like water because it is cheap and easy to work with.
I believe the lubricant needs to be compatible to the finish (not interfere).

-- I'll be a woodworker when I grow up. HHHOPKS

View JoeyG's profile

JoeyG

1259 posts in 1377 days


#5 posted 10-27-2012 02:09 AM

I see something shiny coming from this post. Wish I had more to add but I don’t really use shellac.

-- JoeyG ~~~ http://www.facebook.com/JHGWoodWorks

View nomercadies's profile

nomercadies

533 posts in 1091 days


#6 posted 10-27-2012 02:17 AM

I’ve sanded drywall with a wet (water) washcloth or towel and had great success, but wood? Cool!

-- Chance Four "Not Just a Second Chance"

View gfadvm's profile

gfadvm

11542 posts in 1442 days


#7 posted 10-27-2012 02:42 AM

Blaine, Is water OK to use on shellac? Add a little detergent?

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View BTimmons's profile

BTimmons

2187 posts in 1237 days


#8 posted 10-27-2012 03:29 AM

As far as I know, water should be ok on shellac…right? Please, anyone correct me if I’m wrong. Since shellac is resin dissolved in alcohol, it’s alcohol that you have to keep away. Because then you won’t be wet sanding, you’ll be stripping all the finish off altogether.

-- Brian Timmons - http://www.BigTWoodworks.com

View Jorge G.'s profile

Jorge G.

1526 posts in 1227 days


#9 posted 10-27-2012 03:40 AM

If you wet sand shellac you might get blushing, the proverbial white ring from a wet glass. Any light oil, like mineral oil, furniture oil etc would be best.

-- To surrender a dream leaves life as it is — and not as it could be.

View vonhagen's profile

vonhagen

498 posts in 1117 days


#10 posted 10-27-2012 10:51 AM

andy i believe you are trying to get a full fill finish here right? you need to let the shellac fully dry to wet sand and only after about the third coat should you start wet sanding. and use only water.

-- no matter what size job big or small do a job right or don't do it at all.

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