Firing Instructions for casting molds

sample firing directions shown below

Apply a good quality kiln wash to these molds and they will last thru many firings. Sometimes more than one fire is necessary to produce good results, depending on the type and size of kiln you are using.

COE 90 firing schedule

seg 1 - 300*F/hour to 1375* hold 10 minutes

seg 2 - As fast as possible to 960*F with no venting

seg 3 - 60*F/hour to 700*F

seg 4 - off, cool kiln, no venting

COE 96 firing schedule

seg1-300*F/hour to 1350*F hold 10 minutes

seg 2 - as fast as possible to 960*F with no venting

seg 3 - 60*F/hour to 700*F

seg 4 - off, cool kiln, no venting