Rusty Parallels

That's replys. Not replays!


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Those fancy Microsoft rags at HF work well with some oil in the rag and laid in the drawers . I use them even on my guns I leave in holsters big no no leaving a gun in a holster unless your sure it's oiled leather.
 
Did you glue the felt in? Lots of glues give off acidic fumes
 
I used white glue used for woodworking.


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My last two tool chest redo's, I used Scotch 77 spray adhesive. Spray the felt lightly, it don't take much, and carefully apply the felt to the drawer. I also use billiard felt, its much more stiffer than fabric store felt is. So far, haven't had any issues with rust. In my steel drawer tool chests, i use shelf liner with the holes in it. I think its made by Rubber Maid?
 
I used white glue used for woodworking.


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Just for future reference here's how you make white glue.

White glue is easy to make by combining the right amounts of milk, distilled vinegar and baking soda. Milk contains a protein called casein. It makes good glue, but not in its liquid form in milk. Adding vinegar causes a chemical reaction that turns the casein into a solid.

How to do it? Heat 2 ounces of 2 percent milk and 1 tablespoon of vinegar, but don't let it boil. The mixture will curdle to the consistency of cottage cheese. Pour it through a coffee filter to collect the curds. Add a pinch of baking soda to the curds until you get the right gluey consistency. Remember that when you use it, the glue takes a few hours to dry.
 
Commercially made casein glue has calcium and sodium salts in its formulation. These could be accelerating corrosion under humid conditions. New versions like Tite Bond II have aluminum chloride, according to the SDS sheet. Aluminum chloride is weakly acidic and quite possibly hygroscopic which could also add to corrosion problems. A suitability test could be done by smearing some on a piece of bright steel and placed in a humid location.

Spray on contact adhesives will soften in the presence of oil resulting in a gummy substance that can work its way through the felt.

Some epoxy spread thinly on the wood surface and the felt applied as it begins to tack up might be the best choice.
 
I think I found the cause of the rusty parallels. I did a test. I bought some new felt and compared it to the old felt. I cut a small piece is each along with a piece of the old felt that I glued to a piece of wood. I placed a small parallel on each of the 3 pieces. After a few days there was signs of rust forming on the glued felt and no sign of any rust on the parallels on the old or new felt that was unglued. Seems the culprit was the white glue. I will leave it testing for a while longer to see what happens. Thanks for all the responses.
Bill


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Great experiment. How long befor testing it did you glue the felt? Just wondering about water vapor coming off of still damp glue.
 
About 1 hour.


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