This FYI Copper clay is a premium premixed copper clay with wonderful working and firing qualities. It features a 10% approx. shrinkage rate. It is also the most competively priced clay on market.
Drying temperature max 248f/120C.
Two phase firing in the kiln:
1 Binder burnout – 662f/350C, 5 minutes. Fire on wire rack preferably
2 Firing activated charcoal for in 1-3 hours at a temperature 1670f-1760f (910C - 960C). There should be .5 inch/12mm of carbon below and above piece. Cover with lid
Shrinkage approx. 10%
