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Clay and Glaze Chemistry

Recipes, clay and glaze chemistry, glazing techniques.
Moderated by: Madeleine Coomey

5,664 topics in this forum

  1. Pesky Pinholes

    By Skip,
    • 19 replies
    • 2k views

  2. Looking for an old glaze called Butternut, a commercial glaze (not sure, but I believed from Laguna who said they never had one). It was a buttery gold with black specks, and our studio used it 20+ years ago. Does anyone remember this glaze?

    By Carmela,
    • 4 replies
    • 346 views

  3. Cone 5-6 re fire with salt or?

    By Rebekah Krieger,
    • 6 replies
    • 589 views

  4. High percentage ash glazes in oxidation

    By Northen Pots,
    • 6 replies
    • 1.1k views

  5. Porcelaine slip on White stoneware body

    By Lucia Matos,   
    • 7 replies
    • 611 views

  6. UK supplier of glaze samples + Glaze Course

    By Surtsey,
    • 2 replies
    • 1k views

  7. Pinholes on refire

    By Noodles,
    • 1 reply
    • 391 views

  8. Is this a misprint?

    By Babs,
    • 8 replies
    • 540 views

  9. Fish Print on Bisqueware. Underglaze that is safe to eat in liquid form?

    By troyceramics,
    • 16 replies
    • 1.1k views

  10. sparkle/glitter clay for marbling

    By rawtoast,
    • 13 replies
    • 1.5k views

  11. Aluminum Oxide vs Alumina Hydrate

    By Roberta12,
    • 2 replies
    • 929 views

  12. Does Frit 3124 bubbles?

    By Didiho,
    • 18 replies
    • 1.5k views

  13. Curing with laser heat treatment

    By Beded,
    • 14 replies
    • 1.4k views

  14. Bisque fix Firing temperature..

    By docweathers,
    • 4 replies
    • 514 views

  15. Bisque firing schedule

    By Danny,
    • 8 replies
    • 9.3k views

  16. Glaze Pinhole Causes and Remedies

    By thiamant,
    • 0 replies
    • 205 views

  17. Is there such a thing as neon underglaze?

    By ashhorth,
    • 9 replies
    • 1.2k views

  18. Cotton fibers for paper clay

    By docweathers,
    • 12 replies
    • 4k views

  19. Stonecast powder

    By ashhorth,
    • 1 reply
    • 380 views

  20. What’s your favorite clay and glaze?

    By YuOr,
    • 0 replies
    • 407 views

  21. Identifying Mystery Raw Materials

    By ThruTraffic,
    • 2 replies
    • 431 views

  22. How can i make this glaze “whiter”?

    By Crooked Lawyer Potter,
    • 9 replies
    • 1.1k views

  23. Applying a very thin layer of clear glaze over painted porcelain 1 2 3

    By thiamant,
    • 52 replies
    • 3.6k views

  24. math question, less than 1 multiplied by 5 is still under 1???? 1 2

    By oldlady,
    • 28 replies
    • 1.3k views

  25. Liquid seeping through side of mug

    By Jane W.,
    • 20 replies
    • 6.1k views
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