[TheForge] Re: File Making

[Bruce Freeman]

The ferrocyanide IS safe as such.  It can actually be injected (in
PURE form, not out of the can) to scavenge heavy metals in the body.

However, a breakdown to cyanide is at least theoretically possible.
Acid might do it.  I don't know.

Bruce
NJ

On Thu, Mar 20, 2008 at 5:01 AM, Larry Brown <lp.brown at verizon.net> wrote:
> Thanks for the information in the post, I always try to stay away from the
>  fumes as it stinks, but the cyanide information is really good to be aware
>  of. Don't use it much, got the can 2nd hand and have had it 20+ yrs.
>  Larry Brown
>
>
>
>
>  At 05:25 PM 3/19/2008 -0700, you wrote:
>  >Kasenit when properly applied (work in a container filled so that the
>  >kasenit covers the work on all sides) and heated to 1650 F hardens to
>  >a depth of .005" in 15 min.
>  >
>  >A quick dip in the powder and a few minutes back in the fire results
>  >in a case depth of probably less than .001" this is not going to work
>  >for a file.
>  >
>  >Kasenit is potassium ferrocyanide K4-Fe-(CN6)  and sodium ferrocyanide
>  >C6-Fe-N6-Na4 . Lots of carbon and nitrogen available to harden the
>  >steel and the potassium and sodium act to accelerate the process.
>  >
>  >BTW  It is touted as a safe non poisonous product but don't allow it
>  >to come into contact with any acid or you will get hydrogen cyanide
>  >gas and you don't want to be around when that happens.
>  >
>  >
>  >James Binnion
>  >jbin at well.com
>
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-- 
Bruce
NJ