Using Pencil Erasers on Wood? - Woodworking Talk - Woodworkers Forum
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post #1 of 17 Old 05-27-2020, 07:47 PM Thread Starter
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Using Pencil Erasers on Wood?

I often use pencils for marking on wood.

When I want to change a mark or make it go away, sometimes I use sandpaper, but often I pick up a plastic (vinyl) eraser and erase it. I have always preferred erasers like these:

https://www.amazon.com/STAEDTLER-Pla.../dp/B00006IFAN

I have been doing it for 40 years and never gave it a second thought, until my spouse noticed while we were working on her project this morning. She was concerned it might damage the wood or affect the finish.

Do erasers damage the wood? Could erasers affect the finish?

Does anyone else do it? Is it okay, or a bad idea?
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post #2 of 17 Old 05-27-2020, 08:39 PM
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I use them and don't worry about it, I use them during layout because know I"m going to sand the final project and it's a small area and I never noticed any effect.
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post #3 of 17 Old 05-27-2020, 11:32 PM
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those are drafting erasers are good erasers for any surface (including paint) , no problem on wood - after all - your were going to sand it before coating it :-)

Retired engineer-bureaucrat in Oakland, CA. Been working with wood since the 1960's.
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post #4 of 17 Old 05-27-2020, 11:38 PM
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I was going to say that when you prepare the surface for finishing (a.k.a. sanding) that will remove any defect left by the eraser.

BTW - I use the erasers all the time. Denatured Alcohol does a good job of floating the graphite out of the grains of the wood. MAOF does an even better job.

Rich
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post #5 of 17 Old 05-28-2020, 07:37 AM
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What is MAOF?
I searched it and found Mexican American Opportunity Foundation. I doubt this is what your talking about.
I've used erasers for years with no problems.
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post #6 of 17 Old 05-28-2020, 09:37 AM Thread Starter
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MAOF? - Sorry, me too. Did web searches, but found nothing apropos.
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post #7 of 17 Old 05-28-2020, 09:42 AM Thread Starter
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-> Does anybody know what happens if you don't sand after erasing, before finishing?

I confess. Sometimes that's what I do, and that's what my spouse was questioning. Yesterday morning, after "final" sanding prior to finishing, we needed to drill additional holes in her workpiece. I marked them carefully with pencil and drilled the holes, then used a plastic eraser to remove the errant pencil marks that would have shown on the workpiece. Will that cause a problem with finishing?
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post #8 of 17 Old 05-28-2020, 11:49 AM
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Quote:
Originally Posted by Pretender View Post
What is MAOF?
I searched it and found Mexican American Opportunity Foundation. I doubt this is what your talking about.
I've used erasers for years with no problems.
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post #9 of 17 Old 05-29-2020, 12:23 AM
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Who need erasers? Sandpaper exists, that's just me though



-T

It's not bad to dream. But you also have to consider what's realistic. -All Might (Boku no Hero Academia)
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post #10 of 17 Old 05-29-2020, 02:45 AM
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i don't use the erasers on wood either ...

SM-J700F cihazımdan Tapatalk kullanılarak gönderildi

Last edited by John Smith_inFL; 05-29-2020 at 02:26 PM. Reason: per O/P request
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post #11 of 17 Old 05-29-2020, 07:52 AM
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I dont use erasers on wood, I'm afraid of contamination. Would rater sand or plane off the markings. , I, know if I sand there is still a possibility of graphite contamination, but less than graphite and eraser combined.
Also, if you erase, I would think that you are pushing the eraser and graphite deeper into the wood.
In the overall scheme of things, I don't think it matters, I'm just freaky about the surface prior to spraying.
I just about use lacquer exclusively and so contamination is a biggie.
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post #12 of 17 Old 05-29-2020, 08:06 AM
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Quote:
Originally Posted by Tony B View Post
I don't use erasers on wood, I'm afraid of contamination.
I just about use lacquer exclusively and so contamination is a biggie.
very true: sprayed lacquer is very good at seeking out spots
of contamination and ruining the finish.
(like a car running off the road and finding the only sign post within miles).

.

I am a painter: that's what I do, I like to paint things.
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post #13 of 17 Old 05-29-2020, 10:32 AM
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I have used art gum erasers almost exclusively on wood. Never tried to sand off the marks unless the eraser would not remove. Never any problem with then spraying lacquer.


George
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post #14 of 17 Old 05-29-2020, 10:45 AM
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Denatured Alcohol easily removes pencil lines from wood, if you don't press so hard with the pencil that you leave indentations. Just a light wipe with the DNA takes the lines off with no sanding or eraser use. I keep Alcohol Prep Pads, like they use to wipe your arm when they give you injections, handy in my workbench drawer for removing any small pencil writing on my boards, but if I have written quite a bit on a board I will take a paper towel sheet, fold it into a pad, and then dampen it with DNA to remove the pencil marks. They don't use lead in pencils any more, although they do still call it lead.

Charley
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post #15 of 17 Old 06-05-2020, 12:25 PM
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No problems; those famous "Martian Plastic" erasers are great for use on wood. I have a few of them around the shop that I've had since a college drafting class almost 40 years ago (real pencils and T-squares, no computers) and they're just as good now as they were when Ronnie was president.

Only problem you'll have, of course (especially with cross-grained marks) is pushing too hard and scoring the wood itself.
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post #16 of 17 Old 06-05-2020, 02:14 PM
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pink pearls used here!
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post #17 of 17 Old 06-05-2020, 02:31 PM
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DNA will also remove any eraser residue
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