ronfire Posted September 15, 2019 Report Share Posted September 15, 2019 I was given some clay to try that is cone 8-10. I am currently firing to a cone 6 with a cone 6 clear glaze. What would be my problems if I only fired this clay to cone 6 ? Link to comment Share on other sites More sharing options...
Bill Kielb Posted September 16, 2019 Report Share Posted September 16, 2019 If it fully vitrifies at cone ten firing less will mean it’s not fully vitrified and likely more absorbent as well as not as strong as fully vitrified. I looked at your website and depending upon absorption it may not be considered microwave safe. Dishwasher safe is interesting in that the dishwasher wears away glazes more so than perhaps anything else. Even though not necessarily a clay thing, glazes that fall outside a range of flux ratios have been tested and often degrade significantly with each washing. Just a few possibilities though. Link to comment Share on other sites More sharing options...
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