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2014年3月21日 (金)

Rust Removal Oxalic Acid (Part 3)

次回、この記事の日本語版を投稿します。

In the first post Rust Removal Oxalic Acid (Part 1)  I mentioned that I received a promising tip on rust removal using oxalic acid from a Mr Akagiyama.  Impressed with the results Mr Akagiyama obtained, I decided to order some to test for myself.  First I tested it on a old tool in Rust Removal Oxalic Acid (Part 2).  In this post I will show the results of having tested oxalic acid on removing rust from chrome.

For test pieces I decided to use two old badly rusted seat pillars.
The rust is heavy to the extent that it is beyond surface rust and is actually pitted having eaten its way through the original chrome plating.
P1280519_4

P1280520_3

The test pieces were immersed in a small  oxalic acid bath.P1280524_4

Three days in the acid bath and the seat pillars are covered in a yellowish film.P1280527_4

Before oxalic bath
P1280519_4

After oxalic bath
P1280539

Before oxalic acid bath
P1280520_3

After oxalic bath
P1280540_3

Conclusion:
Oxalic acid is a great labor savings method for removing surface rust.  But, keep in mind that it can only remove rust, it cannot restore chrome, nothing can do that.  It is excellent for cleaning chrome.  Hats off to Mr. Akagiyama for sharing this useful tip.

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