Hi Fenton, I think the "rule of thumb" for most chemical reactions is that they double in speed for every ten degrees Celsius that the temperature is raised. Rust on the surface would go "yum yum" and take off like a Bat. At 12:36 PM 9/17/2008 -0700, you wrote: >I found out with a brake drum that cast iron will rust when heated if >contains enough moisture. I can't even remember what I was trying to do with >this thing, but putting it in the oven at a low temp for just a few minutes >caused it to instantly rust. >Fenton Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T. Non calor sed umor est qui nobis incommodat mailto:pianotuna at yahoo.com http://us.geocities.com/drpt1948/ 3004 Grant Rd. REGINA, SK, S4S 5G7 306-539-0716 or 1-888-29t-uner
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