[TheForge] Rust Finish

[Wayne Ackman]

thanks to everyone with suggestions.  I appreciate the help. 

Clyde Wynia wrote:
> I sell between 800 and 900 rusted metal sculptures a year, tiny spiders to
> 21 foot high dragons. I need to rust them fast. 
>
> All mill scale must be removed. Muriatic acid works great. I use plastic
> tanks with 10% acid and 90% water. Sand blasting or tumbling also works
> well. Then I use the following mixture to give a fast, fast rust.
>
> 1 pint 3% hydrogen peroxide
> 1/3 cup salt
> 1/2 cup vinegar.
>
> I spray this on and let it set 1 hour to over night and then rinse it off.
> This will always leave an orange mottled rust. Heating the metal to just
> below where the mixture boils off accelerates the process.
>
> To get the deeper rust color I leave it under any place where rain or sun
> doesn't get to it. For some reason this turns it the darker color faster
> than anything else. Anyway, the orange color will always turn darker in any
> environment, some just take longer. Wetting it from time to time helps.
>
> So, works well for me. 
>
>
>   
>> I have a job where he wants a rust finish.  I tried muriatic acid,  
>> and some stuff I bought called Easy Rust Finish.  Not so easy  
>> really, you have to remove every bit of the mill scale.  both did a  
>> rust finish but it is an orange color.  He wants it to be more  
>> reddish than I am getting.  I heard ferric nitrate might do the  
>> trick.  Opinions?  Also where would I get that?  Besides ordering  
>> it online, i mean.  thanks for any suggestions
>>     
>
>
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