[Clayart] Cracks and slow seepage- porcelain

Antoinette Badenhorst porcelainbyantoinette at gmail.com
Sun Jul 11 18:40:41 UTC 2021


Madeleine, do the absorption test. I will bet you a dollar that your clay is not vitrified. Further more: your glaze does not dit the clay body. 

PorcelainByAntoinette  
TeachinArt
International Academy of Ceramics
Mississippi Arts Commission




> On Jul 11, 2021, at 12:26 PM, Madeleine Hall-Arber <arber at mit.edu> wrote:
> 
> For years, I have thrown pots out of Miller/Laguna #16 clay fired to Cone 6 with slow cool, primarily using recipes from Mastering Cone 6 Glazes, though occasionally experimenting with other glazes—some from Britt’s compendium.  My daughter uses a variety of my small cups and bowls to prepare her meals in the microwave.  She never puts them in the dishwasher and handles them carefully.  We’ve noticed that several have developed long cracks that we can see (presumably from food stains).  In several cases, the foot of the pot has yellowed.  I’ve also noticed that our soap dispenser accumulates a scummy surface at the foot.  Any ideas?   I tell customers that my work can be used in the microwave (and dishwasher), should I not?
> 
> Thanks for your help and knowledge!
> Madeleine
> 
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> Madeleine Hall-Arber
> Madeleine’s Mud Pie Studio
> (617) 510-5955
> Etsy: madmud.etsy.com
> Instagram: madeleinehallarber
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