[Shop-talk] rust removal follow up

[Jim Stone]

Interesting. Glad it worked.  It is always good to have additional options!  I was curious about this vs. the Prep and Etch that I recommended and looked up both safety data sheets.  P&E is just Phosphoric Acid, listed at 35-45% concentration.  Must for Rust also contains  Phosphoric Acid (20%), along with Ethylene Glycol Monobutyl Ether and Chromium Trioxide (1% each).  Does anyone here know what the two other chemicals do?

Jim

> On Sep 30, 2017, at 10:12 AM, john niolon <jniolon at att.net> wrote:
> 
> Found a product from “Krud Kutter” called ‘a must for rust’   About a 8 oz bottle for about 6 bucks
> dumped it into a plastic container and loaded the carriage bolts,nuts and washers... left it in solution for
> about 2 hours then took them out.... clean as a whistle.  Rinsed with water (per instructions) and dried, then
> coated with wd-40...  Looked like new. 
>  
> +1 for Krud Kutter... a good inexpensive solution... also comes in spray bottle and gallon containers
>  
> thanks for all the suggestions, guys
>  
> john
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