From: djb@invalid.com   
      
   On 21/02/2026 17:48, Jim Wilkins wrote:   
   > "David Billington"  wrote in message   
   > news:10ncf0a$17n49$1@dont-email.me...   
   >   
   >> ...I tried a mix I found online   
   > which called for them as part of a recipe for preventing/reducing   
   > firescale on steel during heat treatment and it didn't seem to work very   
   > well, subsequently I got some Condursal Z1100 and that seems to work   
   > well, cost more but does what it says on the tin.   
   > -------------   
   >   
   > Natural sodium stearate soap (Ivory) works pretty well in combination   
   > with a closed tube containing charcoal or sawdust.   
   >   
   >   
   Yes my other option is stainless tool wrapping foil which I use for some   
   items when tempering/normalising and include some wood inside to   
   scavenge the oxygen remaining which results in just minor discolouration   
   like from tempering, no scale. The Condursal was for use with items to   
   be hardened so I could drop them straight into the quench tank without   
   having to remove the foil.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)