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Clay and Glaze Chemistry

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

5,541 topics in this forum

  1. Alumina Hydrate or Oxide

    By Chris Throws Pots,
    • 5 replies
    • 852 views

  2. Looking for a purple cone 5-6 glaze

    By Lbegley,
    • 3 replies
    • 510 views

  3. Calcined Zinc Oxide

    By Roberta12,
    • 5 replies
    • 1.5k views

  4. Waxing and dishwashers

    By macca,
    • 17 replies
    • 855 views

  5. brushing and dipping

    By Wayne H.,
    • 5 replies
    • 407 views

  6. Peeling slip after glaze firing

    By Susan McHenry,   
    • 12 replies
    • 1.9k views

  7. Purchased Glazes For Dipping

    By Brian O.,
    • 8 replies
    • 1.8k views

  8. Skarva - paper porcelain tile work

    By Belgin,
    • 2 replies
    • 279 views

  9. How do I get a matte finish in vibrant colours for dinnerware?

    By Iren,
    • 7 replies
    • 2.3k views

  10. Hairline Cracks During Bisque Firing- Why?

    By tluvs2create,
    • 21 replies
    • 9.9k views

  11. Spectrum glazes didn't fire correctly

    By PS Muddy Waters,
    • 10 replies
    • 1.3k views

  12. What To Do With Old, Dry, Moldy Clay? 1 2

    By hershey8,   
    • 30 replies
    • 19.7k views

  13. Clumpy glaze

    By Lbegley,
    • 18 replies
    • 1.1k views

  14. Flaking glaze

    By Adele H,
    • 9 replies
    • 563 views

  15. Darvan swirl on slip

    By Marciemcg,
    • 11 replies
    • 494 views

  16. Is this fine line work on glaze? or an oxide?

    By Grace london,   
    • 13 replies
    • 1.2k views

  17. Can I be allergic to a different clay, or different Sand in a clay body?

    By JASON GANLEY,
    • 11 replies
    • 1.3k views

  18. What happened? Refiring earthenware pottery to repair

    By skessel1,   
    • 9 replies
    • 3.1k views

  19. Sascha Brastoff Surf Ballet plates

    By Ccampbell,
    • 11 replies
    • 1.4k views

  20. Copper spots after glaze firing

    By RWC,
    • 2 replies
    • 672 views

  21. Barium blue slip!

    By lewderry1,
    • 3 replies
    • 584 views

  22. Glaze Cracking around Handles when Drying

    By OVMI_Designs,
    • 24 replies
    • 3k views

  23. Help with Clear cone 10 and cone 6

    By StudentMolly,   
    • 8 replies
    • 900 views

  24. Substitute EPK with Georgia kaolin

    By Mercedes Montoya,
    • 7 replies
    • 2.2k views

  25. Underglaze on top of bisque-fired slip?

    By Nell,   
    • 7 replies
    • 2.2k views
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