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How long does PSA Micro Abrasive Paper last?

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Forum topic by jaydub posted 01-23-2010 08:19 PM 1121 views 0 times favorited 2 replies Add to Favorites Watch
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jaydub

63 posts in 2582 days


01-23-2010 08:19 PM

Just sharpened my first chisel! I won’t go as far as to say it was fun, but satisfying to be sure.

I’m using 3M microabrasive paper on glass with a little mineral oil for lubricant.

How many times can you use the same area on the paper? I sharpened an old clunker to get used to the technique, and am going to get my new Narex set nice and sharp next. There are certainly lots of shavings/particles on the sheets now (more on the larger grid than the smaller). Should I try to use a new section of the paper for each one?

Any input on how long one can expect to use the same sheet would be really appreciated.

Thanks!

jw

-- happiness is a sharp plane iron


2 replies so far

View bob101's profile

bob101

293 posts in 2918 days


#1 posted 01-24-2010 05:16 AM

I use these almost exlusively for honing my chisels and first of i use either water or a lubricant on the sheets, usually a bit of water to stop the sheets from clogging and always on a glass plate that is flat. but the short answer is until you find it is not adequately polishing the steel to the desired level of sharpness. I go threw coarser grades faster than finer grades, but water on the sheet adds great life to them I have done 20-30 sharpenings on some sheets. and also use a honig guide to maintain angles, and I also put a secondary bevel on all my chisels so they cut super clean and fast.Lee Valley makes great honing guides. hope that helps and sorry for rambling on.

-- rob, ont,canada

View Karson's profile

Karson

35035 posts in 3868 days


#2 posted 01-24-2010 05:27 PM

I keep using the paper and you will find that when nothing comes of the chisle then you need to move to a new area. When I’m doing it with a guide I may use a 1/4 of the sheet to move around in and then I can go to a different corner when it’s used up.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware soon moving to Virginia karsonwm@gmail.com †

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