Rust prevention on Tools - Router Forums
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post #1 of 12 (permalink) Old 10-16-2009, 11:43 AM Thread Starter
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Default Rust prevention on Tools

I recently bought a used table saw on Craigs List. It had an iron top which had rust that I cleaned up.

Now I am wondering the best thing to prevent the rust, but not stain any wood I cut in the future.

What have others done for rust prevention on cast iron work surfaces?

Thanks
Dennis
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post #2 of 12 (permalink) Old 10-16-2009, 11:58 AM
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Johnsons Paste Wax (yes, the stuff thats been around *forever*) has a large following... as does Boeshield... I have traditionally used Boeshield but have picked up some Johnsons and am going to run my own mini-test by redoing some of my cast iron in each and monitoring the performance. I'm in no way dissatisfied with Boeshield; I'm just curious to run a comparison. Others will offer additional alternatives.

One sure thing about Johnsons; one can will last a lifetime unless you're running a commercial shop. Probably even then!!

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post #3 of 12 (permalink) Old 10-16-2009, 01:09 PM
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Default Johnson's Paste Wax

Quote:
Originally Posted by farrout View Post
I recently bought a used table saw on Craigs List. It had an iron top which had rust that I cleaned up.

Now I am wondering the best thing to prevent the rust, but not stain any wood I cut in the future.

What have others done for rust prevention on cast iron work surfaces?

Thanks
Dennis
I use Johnson's Paste Wax. It works great, you can find it anywhere and it is inexpensive.
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post #4 of 12 (permalink) Old 10-16-2009, 01:47 PM
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HI Dennis,
I take it a step farther, once I remove the rust, I sand it with 400G, clean it with alcohol, then apply gun bluing. Bass Pro sells the large bottles. This leaves a very nice finish, like a new saw. Since it is a chemical reaction, is it part of the metal and don’t rub off.
Then I use the wax. Little more work, but will last 5-6 years.

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post #5 of 12 (permalink) Old 10-16-2009, 04:13 PM
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Quote:
Originally Posted by Old_Chipper View Post
HI Dennis,
I take it a step farther, once I remove the rust, I sand it with 400G, clean it with alcohol, then apply gun bluing. Bass Pro sells the large bottles. This leaves a very nice finish, like a new saw. Since it is a chemical reaction, is it part of the metal and don’t rub off.
Then I use the wax. Little more work, but will last 5-6 years.
Is that the source of the loud BOOMs I hear coming from your shop, Harry?

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post #6 of 12 (permalink) Old 10-16-2009, 04:43 PM
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Johnson's Paste Wax hands down. As said previously, a can lasts forever, it's way cheaper than anything else, the surface is super slick and it does not cause any problems with your wood. The only caveat is that you have to apply it correctly. Just apply a good coat and be certain to let it dry before buffing it off. Just one coat is needed because every time you apply a new coat it removes the previous. If you apply a coat every week or so (depending on how much you use your saw) you should have no problems with your saw table rusting. Oh! Yeah! I almost forgot. DON'T EVEN THINK ABOUT USING AUTO PASTE WAX. That stuff will get on your wood and ruin your finish.

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Last edited by curiousgeorge; 10-16-2009 at 04:49 PM.
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post #7 of 12 (permalink) Old 10-17-2009, 01:24 AM
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Interesting.

We cannot get Johnson's Paste Wax in Canada so I use Trewax. I suspect they are similar - a bit of carnauba wax with additions.

Trewax recommend at least two coats which has been my practice (I use three on bare metal). I was able to demonstrate that a single coat provided very little rust protection.

In all honesty I have not repeated the test with the three coats. I am planning to do a comparison test of several protective agents but it is not a high priority right now
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post #8 of 12 (permalink) Old 09-21-2011, 12:19 PM
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Default rust prevention

Hi Dennis,

I have heard that Johnsons paste wax works pretty well. I have the same problem with rust you had. How did you get rid of the rust?


Thanks,

Dave
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post #9 of 12 (permalink) Old 09-21-2011, 12:48 PM
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Past wax works for me, need to do mine today,

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post #10 of 12 (permalink) Old 09-21-2011, 09:44 PM
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I used Minwax paste wax. It makes the top nice and slippery to allow you to slide your workpieces on the surface, too. I also use it on my MDF router table. And occasionally to finish furniture projects.

Cheers,
Roger


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Isaiah 44:13 Another shapes wood, he extends a measuring line, he outlines it with red chalk. He works it with planes and outlines it with a compass...

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