Clay and Glaze Chemistry

5,562 topics in this forum

1. Extreme Cracking/Shrinkage in Tiles

   By Caroline E, March 14
   • 6 replies
   • 199 views
   • 
   • neilestrick
   • April 9

2. Pinhole problems 1 2

   By Lbauer12, March 22
   • 32 replies
   • 746 views
   • 
   • Lbauer12
   • April 9

3. Watercolor painting on greenware clay

   By Jeanne at Railyard Arts, April 6
   • 6 replies
   • 147 views
   • 
   • Min
   • April 9

4. Chrome & Zinc - toxic?

   By Beccap, April 7
   • 15 replies
   • 259 views
   • 
   • Min
   • April 8

5. Dry Effect Oxide Patina

   By SusannaK, April 5   

   • oxide
   • patina
   • (and 1 more)

     Tagged with:

     • oxide
     • patina
     • frit
   • 2 replies
   • 94 views
   • 
   • SusannaK
   • April 8

6. Strontium Crystal Magic Cool- Food Safe?

   By Caroline E, April 4
   • 5 replies
   • 171 views
   • 
   • Min
   • April 5

7. Blistering? Need advice

   By StudioClover, April 4
   • 4 replies
   • 112 views
   • 
   • Callie Beller Diesel
   • April 5

8. How Can I Get a Smooth Finish with underglaze

   By tman123, March 29
   • 3 replies
   • 172 views
   • 
   • neilestrick
   • April 2

9. Can you predict the approximate drop/hold temperature in a drop and hold firing from the chemistry of a glaze? 1 2

   By Marilyn T, February 14
   • 39 replies
   • 1.1k views
   • 
   • Callie Beller Diesel
   • March 30

10. Plastic clay reclaim buckets pulling iron out of clay

    By Piedmont Pottery, September 7, 2023
    • 17 replies
    • 470 views
    • 
    • Retxy
    • March 28

11. crackle glazes

    By s6x, March 28
    • 2 replies
    • 124 views
    • 
    • Min
    • March 28

12. using ash from incinerated rubbish?

    By Mackmack101, March 24
    • 2 replies
    • 131 views
    • 
    • Mackmack101
    • March 24

13. glaze firing speed

    By s6x, March 23
    • 1 reply
    • 91 views
    • 
    • Min
    • March 24

14. Wollastonite lumps revisited

    By Piedmont Pottery, March 20
    • 7 replies
    • 228 views
    • 
    • High Bridge Pottery
    • March 23

15. Managanese Wash

    By LeeU, March 21
    • 4 replies
    • 148 views
    • 
    • Babs
    • March 21

16. Use frit not listed in a glazy.org recipe

    By Twitchy, March 20
    • 9 replies
    • 169 views
    • 
    • High Bridge Pottery
    • March 21

17. Help with making / recipe for good glazes for red clay

    By Liat Avital, March 20
    • 2 replies
    • 91 views
    • 
    • Dick White
    • March 20

18. Raku Glaze Problem

    By Maxwell, March 13
    • 13 replies
    • 274 views
    • 
    • Maxwell
    • March 20

19. Granular Feldspar

    By Hands On, March 7
    • 5 replies
    • 170 views
    • 
    • Hands On
    • March 19

20. Drop and Soak program for Cone 6 in Skutt

    By Potpotpotter, March 10   

    • skutt
    • 16 replies
    • 304 views
    • 
    • Morgan
    • March 19

21. Thixotropic Clay

    By Kelly in AK, September 12, 2022
    • 7 replies
    • 579 views
    • 
    • kande04
    • March 16

22. Spraying glaze with iron spangles

    By Seesee, March 13   

    • glaze
    • iron oxide
    • (and 1 more)

      Tagged with:

      • glaze
      • iron oxide
      • sprayglaze
    • 3 replies
    • 121 views
    • 
    • Min
    • March 16

23. Clay Shrinkage

    By Sandi0720, March 14
    • 4 replies
    • 104 views
    • 
    • Sandi0720
    • March 15

24. Mayco Alabaster

    By Potpotpotter, January 6   

    • mayco
    • alabaster
    • (and 3 more)

      Tagged with:

      • mayco
      • alabaster
      • cone6
      • stoneware
      • speckled
    • 4 replies
    • 212 views
    • 
    • Potpotpotter
    • March 10

25. One step naked raku

    By Tin Roof Pottery, March 6   

    • bare clay firing techniques
    • 5 replies
    • 328 views
    • 
    • Tin Roof Pottery
    • March 10