Clay and Glaze Chemistry

5,553 topics in this forum

1. Potash Feldspar comparisons of Custer, Mahavir, G200EU and Vardhman

   By Min, 6 hours ago
   • 0 replies
   • 22 views
   • 
   • Min
   • 6 hours ago

2. Frit Substitution Chart + Orton Cone Charts + Kiln Wash Recipes

   By Min, October 15, 2019
   • 20 replies
   • 13.7k views
   • 
   • Mark C.
   • March 18

3. Wild Clay Processing

   By Min, November 5, 2022   

   • found clay
   • foraged clay
   • (and 2 more)

     Tagged with:

     • found clay
     • foraged clay
     • dug clay
     • testing wild clay
   • 21 replies
   • 1.9k views
   • 
   • Pluton
   • January 26

4. Eutectics Calculator 1 2

   By Min, May 12, 2021
   • 42 replies
   • 5.4k views
   • 
   • C.Banks
   • January 14

5. Custer feldspar... again... new chemistry 2021 data 1 2

   By Dick White, August 15, 2022
   • 44 replies
   • 2.7k views
   • 
   • GEP
   • January 3

6. Talc shortage? New Talc - Cim Talc and Fabi Talc 1 2

   By Susan McHenry, April 28, 2021   

   • talc
   • cim talc fabi talc
   • 28 replies
   • 6.7k views
   • 
   • Dick White
   • October 22, 2023

7. Spodumene Substitute Analysis

   By Min, April 1, 2023
   • 11 replies
   • 1.1k views
   • 
   • PeterH
   • July 10, 2023

8. User Beware + Technical FAQ's

   By Guest JBaymore, February 22, 2014
   • 4 replies
   • 26.8k views
   • 
   • oldlady
   • December 27, 2019

9. Do I need to re-bisque?

   By Sage Real, 18 hours ago
   • 3 replies
   • 37 views
   • 
   • Min
   • 5 hours ago

10. Custar Feldspar now not available again

    By Mark C., Wednesday at 02:01 AM
    • 2 replies
    • 58 views
    • 
    • Min
    • 6 hours ago

11. Reitz Green without Gerstley Borate?

    By davidh4976, Wednesday at 10:31 PM
    • 9 replies
    • 115 views
    • 
    • Min
    • 7 hours ago

12. refiring glaze without changing it

    By oldlady, Monday at 07:27 PM
    • 8 replies
    • 117 views
    • 
    • Min
    • 7 hours ago

13. High fire clear glaze over under glaze - cloudiness

    By Hendrixl114, April 20
    • 10 replies
    • 233 views
    • 
    • PeterH
    • 9 hours ago

14. Toxic mold in clay? 1 2

    By Violette, April 25, 2021
    • 35 replies
    • 8.2k views
    • 
    • Bill Kielb
    • 18 hours ago

15. Kim McDonald

    By reinadelmar, yesterday at 12:08 PM
    • 1 reply
    • 34 views
    • 
    • Bill Kielb
    • Yesterday at 03:20 PM

16. Extreme shivering off underglaze

    By Helena1, April 27
    • 15 replies
    • 150 views
    • 
    • Min
    • Yesterday at 03:12 PM

17. Storing Glaze Materials in Hot Environment

    By rumo, Wednesday at 07:20 PM
    • 2 replies
    • 41 views
    • 
    • oldlady
    • Yesterday at 03:52 AM

18. Glaze Shelf Life

    By Neil Fallon, April 27
    • 5 replies
    • 98 views
    • 
    • Neil Fallon
    • Wednesday at 07:07 PM

19. Glaze thinning over time?

    By olivia.ix, Tuesday at 02:28 PM
    • 3 replies
    • 82 views
    • 
    • Bill Kielb
    • Tuesday at 10:25 PM

20. Second firing of unglazed bisque ware to cone 6 (red mid-fire clay)

    By Norgal, Tuesday at 09:35 PM
    • 0 replies
    • 25 views
    • 
    • Norgal
    • Tuesday at 09:35 PM

21. Beginner question re saggar firing

    By Brian_Ire, April 18
    • 4 replies
    • 118 views
    • 
    • Brian_Ire
    • Monday at 09:50 AM

22. Iron oxide spangles

    By St4cey, April 25
    • 6 replies
    • 135 views
    • 
    • Rae Reich
    • Sunday at 03:12 PM

23. Limiting Oxidation on Palladium?

    By Ben xyz, April 22
    • 2 replies
    • 89 views
    • 
    • PeterH
    • April 27

24. Midfire Clay Short When Recycled

    By ArtyPartyTeacher, April 26
    • 1 reply
    • 45 views
    • 
    • Min
    • April 26

25. O-42 Moss green

    By Myceliuman, April 20
    • 4 replies
    • 93 views
    • 
    • Myceliuman
    • April 26