Clay and Glaze Chemistry

5,572 topics in this forum

1. Underglaze Deepening from Repeat Firings?

   By Ben xyz, April 22
   • 1 reply
   • 65 views
   • 
   • Min
   • April 22

2. Dolomite mesh?

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

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

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

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

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

5. Terra sigillata deflocculation from local clay

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

6. Bone china glazing problems 1 2

   By Ben10, March 27, 2022
   • 37 replies
   • 2.4k views
   • 
   • Jarman Porcelain
   • April 17

7. Clear glaze looks yellow

   By Judy SA, March 3, 2023
   • 11 replies
   • 1.2k views
   • 
   • tinypieces
   • April 17

8. Need help with low fire slip and glaze

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

9. Gold Lustre

   By Imu, April 15
   • 4 replies
   • 130 views
   • 
   • Imu
   • April 16

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

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

11. Im desperate

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

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

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

13. Extreme Cracking/Shrinkage in Tiles

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

14. Pinhole problems 1 2

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

15. Watercolor painting on greenware clay

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

16. Chrome & Zinc - toxic?

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

17. Dry Effect Oxide Patina

    By SusannaK, April 5   

    • oxide
    • patina
    • (and 1 more)

      Tagged with:

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

18. Strontium Crystal Magic Cool- Food Safe?

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

19. Blistering? Need advice

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

20. How Can I Get a Smooth Finish with underglaze

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

21. 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
    • 1.2k views
    • 
    • Callie Beller Diesel
    • March 30

22. Plastic clay reclaim buckets pulling iron out of clay

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

23. crackle glazes

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

24. using ash from incinerated rubbish?

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

25. glaze firing speed

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