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Forum topic by Rob McCune posted 286 days ago 257 views 0 times favorited 9 replies Add to Favorites
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Rob McCune

120 posts in 636 days


286 days ago

Topic tags/keywords: help cast iron corrosion

I have a cat that has been “hiding presents” for me all over my shop, it apparently likes the sawdust better than the kitty litter. I went out into my shop last night and found a present on top of the cast iron table of my brand new jointer! I cleaned it off as best I could but it has somehow stained the surface and seems to have left microscopic pits in the finish. I tried to polish them out with very fine steel wool, but it is still there. What do I do?!? Is there any help for me? I can probably get by with it as it is now, but dangit, it is brand new, less than 6 months old. Will it continue to deteriorate or will the cleaning stop it? A new infeed table costs $130 and I would have to install it myself. Should I get one?

-- Rob McCune

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Suz

51 posts in 294 days


286 days ago

If it were me, I wouldn’t replace the table, especially for $130. I’d spend that money on some lumber to run across the jointer! <grin> Plus you could use some of the money to buy the book: “101 THINGS TO DO WITH A DEAD CAT”. (<slap> That wasn’t nice Jim!!!!) This stain will be like the first dent in the new car. Something you will remember every time you use the jointer and remember to keep the cat out of the shop! As for any pitting to continue I doubt it if you cleaned it off thoroughly and then re-waxed the surface.

-- Jim

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GaryK

8558 posts in 525 days


286 days ago

If it’s pitted, there’s nothing you can do with the exception of bringing the entire surface down to the level
of your deepest pit. I wouldn’t try it. $130 would be easier!

Spread pepper or chilie powder aroung to keep the cat away.

If the stain is visible you can use Navel Jelly to get rid of it, then keep it waxed. Wax would probably have
prevented the pits in the first place.

-- Gary, East TX -- The longest journey begins with a single step.

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cpt_hammer

80 posts in 350 days


286 days ago

My cat has issues with kitty litter causing urinary infections, so my wife bought this special cat liter. Turns out it comes in two variants. Clumping and Non-clumping. Both are made of the same thing. Pine sawdust shavings I guess for the clumping type, they spray a chemical over it.

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Rob McCune

120 posts in 636 days


286 days ago

Gary, it was pretty well waxed, but the “stuff” ate right through it. I will have to try the pepper and the naval jelly. As for the litter, she was using it just fne, then one day I found a present and all of a sudden they are all over the place.

-- Rob McCune

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MsDebbieP

12282 posts in 698 days


286 days ago

yah.. those cats!!
When our one cat hears the door to the basement open, she runs as fast as she can to sneak inside… she loves her sawdust too.. darned cat

-- "Functional WoodArt" by Debbie, Canada (http://www.execulink.com/~yohan)

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Rob McCune

120 posts in 636 days


285 days ago

The naval jelly seems to have helped. It got rid of a couple small rust spots and the stained area doesn’t seem as pitted as it was. A layer of T9 and three coats of paste wax seem to have eliminated iany texture I could feel before. The stain itself is still there and where I used the naval jelly now is discolored as well, but I know I cleaned it thouroughly, so I will just have to live with that. Next time I wax it I will use the naval jelly over the whole top, and hopefully it will make the top more uniform in appearance. On a bright note, the naval jelly also took care of some rust on my mini-lathe that has been sitting unused for a while, so thanks for the tip on that Gary.

-- Rob McCune

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davidtheboxmaker

353 posts in 342 days


285 days ago

I’ve been trying to persuade my cat to come into my workshop – thought it would be nice to have the company.
Just shows – don’t know when I’m well off.

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GaryK

8558 posts in 525 days


285 days ago

Sorry, but I should have told you that should use the navel jelly on the entire surface to get it to
your surface to come out evenly. I usually apply it in a thick coat and let it sit for about 10 minutes.
Then clean it off. My final step is to go over the entire surface lightly with a random orbit sander with a real
fine grit like 220+. It will look like brand new after that. Then wax.

-- Gary, East TX -- The longest journey begins with a single step.

View Rob McCune's profile

Rob McCune

120 posts in 636 days


285 days ago

Oh well… As long as it didn’t damage it I can live with it for a couple months, right? I will use the sandpaper next time as well. Thanks for the tips Gary. And David, I have taken to covering my cast iron with plastic, so if you really want the cat in there, you better follow suit.

-- Rob McCune

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