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Hand Sanding and Skin Oil

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Forum topic by Alan S posted 09-13-2010 11:15 PM 934 views 0 times favorited 5 replies Add to Favorites Watch
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Alan S

178 posts in 2785 days


09-13-2010 11:15 PM

Does anyone have this problem when sanding a piece before finishing: just handling the piece leaves oil from your skin that discolors the wood? How do you deal with this problem?

Alan


5 replies so far

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PurpLev

8523 posts in 3116 days


#1 posted 09-13-2010 11:28 PM

when finishing , I always wear nitrile gloves so that my hands won’t get any of the finish on them – also works the other way – doesn’t get the wood contaminated with sweat.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

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Alan S

178 posts in 2785 days


#2 posted 09-14-2010 12:01 AM

I’ve been wearing latex gloves when finishing, but I’m wondering about the final sanding before any finishing starts. Do you ever stain the wood just with hand oil?
Alan

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William

9906 posts in 2310 days


#3 posted 09-14-2010 12:27 AM

If a piece is too large to sand without handling it, then yes, I wear gloves while doing the final sanding. No matter how often you clean your hands, your skin has natural oils that can and will effect the final finish if you’re not careful to keep those oils off the wood.

-- http://wddsrfinewoodworks.blogspot.com/

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William

9906 posts in 2310 days


#4 posted 09-14-2010 12:29 AM

Oh, I have noticed that the oil in your skin is worse on some people than others. My wife can handle wood all day long with no effect. I could just touch the wood all over and leave a pretty good oil based finish.

-- http://wddsrfinewoodworks.blogspot.com/

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TheWoodsman

65 posts in 2364 days


#5 posted 09-14-2010 12:36 AM

As a full-time professional woodworker I’ve never hand a problem with “skin oils” causing finishing problems. What causes the most problems are personal care products like hair products, hand lotions, etc. When I am sanding a project, if I have to go operate a power tool or run a machine I will wash my hands before going back to sanding. If I have to carry parts or assemblies between my two shop buildings I will often put on a pair of gloves to prevent issues.

Also, if I pet the dog or cat I will wash my hands due to their oils.

-- I'm the Woodsman . . . the four-wheelin', tree-farmin', custom-furniture-makin' descendant of Olaf "The Woodcutter" Ingjaldsson.

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