Clay and Glaze Chemistry

5,615 topics in this forum

1. Dolomite mesh?

   By davidh4976, April 21
   • 1 reply
   • 132 views
   • 
   • neilestrick
   • April 21

2. Glazed pieces hung out at 800F degrees - ok?

   By ABlanc, April 17
   • 4 replies
   • 150 views
   • 
   • neilestrick
   • April 21

3. Why does my Bone China have a Green tint?

   By Jarman Porcelain, April 8
   • 20 replies
   • 379 views
   • 
   • Jarman Porcelain
   • April 19

4. Terra sigillata deflocculation from local clay

   By wens, April 13
   • 8 replies
   • 209 views
   • 
   • Callie Beller Diesel
   • April 19

5. Bone china glazing problems 1 2

   By Ben10, March 27, 2022
   • 37 replies
   • 2.8k views
   • 
   • Jarman Porcelain
   • April 17

6. Clear glaze looks yellow

   By Judy SA, March 3, 2023
   • 11 replies
   • 1.4k views
   • 
   • tinypieces
   • April 17

7. Need help with low fire slip and glaze

   By Merve, April 15
   • 3 replies
   • 146 views
   • 
   • Min
   • April 16

8. Potters who are to longer with us-Glaze recipes live on

   By Mark C., April 14
   • 1 reply
   • 157 views
   • 
   • fergusonjeff
   • April 15

9. Im desperate

   By Dabombmom, March 19
   • 23 replies
   • 461 views
   • 
   • Dabombmom
   • April 15

10. Any thoughts on what is causing my glaze problem?

    By Bam2015, April 13
    • 7 replies
    • 210 views
    • 
    • Jarman Porcelain
    • April 14

11. Extreme Cracking/Shrinkage in Tiles

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

12. Pinhole problems 1 2

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

13. Watercolor painting on greenware clay

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

14. Chrome & Zinc - toxic?

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

15. Dry Effect Oxide Patina

    By SusannaK, April 5   

    • oxide
    • patina
    • (and 1 more)

      Tagged with:

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

16. Strontium Crystal Magic Cool- Food Safe?

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

17. Blistering? Need advice

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

18. How Can I Get a Smooth Finish with underglaze

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

19. 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
    • 1.3k views
    • 
    • Callie Beller Diesel
    • March 30

20. Plastic clay reclaim buckets pulling iron out of clay

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

21. crackle glazes

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

22. using ash from incinerated rubbish?

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

23. glaze firing speed

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

24. Wollastonite lumps revisited

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

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

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