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 Post subject: Question on lapping stones
PostPosted: Fri Jul 26, 2013 4:08 am 

Joined: Tue Apr 02, 2013 3:15 am
Posts: 63
Is it okay to use coarse grit sandpaper for lapping stones?


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 Post subject: Re: Question on lapping stones
PostPosted: Fri Jul 26, 2013 4:17 am 

Joined: Tue May 29, 2012 12:29 am
Posts: 863
Mesh drywall sandpaper would be a even better choice.


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 Post subject: Re: Question on lapping stones
PostPosted: Fri Jul 26, 2013 4:23 am 

Joined: Tue Apr 02, 2013 3:15 am
Posts: 63
You're talking about that 3m sanding screen right?


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 Post subject: Re: Question on lapping stones
PostPosted: Fri Jul 26, 2013 5:07 am 

Joined: Fri Mar 22, 2013 12:44 am
Posts: 161
Location: Northern Virginia
Sandpaper is great, but it can shed abrasive which can get lodged in your stone. Make sure to check the stone for this when you are done.


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 Post subject: Re: Question on lapping stones
PostPosted: Fri Jul 26, 2013 5:24 am 

Joined: Tue Apr 02, 2013 3:15 am
Posts: 63
Alright thanks :)


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 Post subject: Re: Question on lapping stones
PostPosted: Fri Jul 26, 2013 6:51 am 

Joined: Tue May 29, 2012 12:29 am
Posts: 863
I've lapped stones on concrete, cinder blocks, against other stones, with sandpaper, silicon carbide powder on a lapping plate and about any other way you can think of. Never once did I get abrasive lodged in the stone.


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 Post subject: Re: Question on lapping stones
PostPosted: Fri Jul 26, 2013 2:31 pm 
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Joined: Mon Apr 23, 2012 7:36 pm
Posts: 2763
How coarse are we talking? I wouldn't go using no 36 grit sandpaper to flatten a stone.....it'll leave to big of gouges in the stone.

I'd use something like 120 as the coarsest.



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 Post subject: Re: Question on lapping stones
PostPosted: Tue Jul 30, 2013 12:15 am 

Joined: Tue Apr 02, 2013 3:15 am
Posts: 63
Lets say 200 grit


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 Post subject: Re: Question on lapping stones
PostPosted: Tue Jul 30, 2013 2:12 pm 
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Joined: Mon Apr 23, 2012 7:36 pm
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Yes, that's fine.



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