Slumping Mold
Slumping Mold
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why do I get cracks in glass slumping molds?
Am I heating to fast because my mold cracks.
I have an even heat studio8 kiln.Tabletop.
Heating too fast is an almost certainty. You may also have damp molds. You might try preheating them in a 4-500 degree household oven. Are you painting them with kiln wash/separator and not drying them enough? You might contact the people who make the mold material or the molds and ask them about heating rate - degrees per minute
