Sandpaper

**aeon** · 10-06-2010, 05:17 PM

Originally Posted by Utopian

I use 3 in 1 oil.

Would this be similar to a gun oil?

**Utopian** · 10-06-2010, 05:26 PM

Yes. Realistically any lightweight oil should be fine. I use 3 in 1 simply because it is the cheapest option. It also has the advantage of being available in a wide variety of stores. Even most grocery stores have it.

**aeon** · 10-06-2010, 05:33 PM

I'll have to look into that! Thanks.
The oils job is basically clearing away the swarf and lubrication (the jobs of any oil involved in a cutting process), but do you think that there would be any negative effects of not using any kind of oil or water? Too much micro-scratching?

**Utopian** · 10-06-2010, 05:37 PM

Originally Posted by aeon

I'll have to look into that! Thanks.
The oils job is basically clearing away the swarf and lubrication (the jobs of any oil involved in a cutting process), but do you think that there would be any negative effects of not using any kind of oil or water? Too much micro-scratching?

I've done it dry. I'm not sure the scratching is any deeper, but the sanding seems to go faster, reducing the lower grit scratch pattern, when using oil. Also, the sandpaper seems to last longer with oil.

**aeon** · 10-06-2010, 05:39 PM

I figured as much, but just wanted to be sure.

**cpcohen1945** · 10-07-2010, 01:04 AM

I've used 5 micron microabrasive sheet (Mylar backing, not paper). It's great for a next step after 2000-grit SiCarbide sandpaper.

You need something _flat_ to put it on if you're grinding edges with it -- glass, or an acylic sheet. That's true for all sandpaper.

And thanks for the lead to finer grits.

Charles

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