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Lesson Plans

Re: firing nails

[ Thread ][ Subject ][ Author ][ Date ]
Thom Maltbie (tmaltbie)
Sat, 13 Apr 1996 15:21:11 -0600

> A student made a clay mask and put steel nails in it and wants me to
>fire it. Would firing the nail damage my electric kiln? I thought the mask
>would crack as it dried but it has not - I thought I could just pull the
>nail out but some are in so far that I am afraid of breaking the mask if I
>use force. I appreciate any advice anyone would like to give me-

If the nails are in that tight now, the clay is likely to crack as it
shrinks. A low firing temp (cone 05-06) probably won't hurt the nails. They
will be somewhat oxidized. Steel nails that are galvanized may give off

good luck

thom maltbie

Thom Maltbie
South Ripley Elementary School
1568 South Benham Road
Versailles, Indiana 47042