Clay and Glaze Chemistry

5,659 topics in this forum

1. Silica and Alumina Limits

   By HenryBurlingame, August 17
   • 8 replies
   • 221 views
   • 
   • High Bridge Pottery
   • September 7

2. tiny droplets?

   By Hulk, August 28
   • 8 replies
   • 161 views
   • 
   • Min
   • September 6

3. Oxide drawing under glaze Japanese Tetsu-e or Sometsuke

   By cwm, September 3
   • 4 replies
   • 118 views
   • 
   • Babs
   • September 4

4. Mayco SW-004 (zinc free) clear

   By Larisa, September 2
   • 2 replies
   • 70 views
   • 
   • High Bridge Pottery
   • September 2

5. What to add to Stoneware transparent cone 6 to make it useable at cone 04

   By Boudi, August 31
   • 6 replies
   • 94 views
   • 
   • High Bridge Pottery
   • September 1

6. An experiment in Fritware Zero3 1 2 3 4 5

   By High Bridge Pottery, November 24, 2022
   • 106 replies
   • 5.2k views
   • 
   • neilestrick
   • August 29

7. Looking for white stoneware and a blackish purple stoneware recipe.

   By Emelia Anderson, August 28   

   • stoneware
   • claybody
   • (and 1 more)

     Tagged with:

     • stoneware
     • claybody
     • recipe
   • 0 replies
   • 59 views
   • 
   • Emelia Anderson
   • August 28

8. Source for Acti-Gel (purified magnesium alumiosilicate)

   By SFKeller, August 26
   • 3 replies
   • 64 views
   • 
   • SFKeller
   • August 26

9. Looking for a dry-mix recipe to fix plasticity in my mid-fire porcelain clay.

   By Clay-Tooth, August 23   

   • plasticity
   • reclaim
   • (and 3 more)

     Tagged with:

     • plasticity
     • reclaim
     • mid-fire clay
     • porcelain
     • dry mix
   • 11 replies
   • 135 views
   • 
   • Min
   • August 26

10. Cone 6 Glaze with Low Calcium

    By HenryBurlingame, August 23
    • 6 replies
    • 108 views
    • 
    • HenryBurlingame
    • August 26

11. How to figure out what temp to fire

    By merry, August 17
    • 5 replies
    • 138 views
    • 
    • neilestrick
    • August 25

12. Clays for hakeme tecnhnique

    By Iskuhi, August 24
    • 1 reply
    • 71 views
    • 
    • Babs
    • August 25

13. Using Cobalt Oxide as a Clay Colorant

    By Grace W, August 21
    • 13 replies
    • 196 views
    • 
    • Babs
    • August 23

14. glazing question

    By Ann H, August 9
    • 6 replies
    • 171 views
    • 
    • Ann H
    • August 23

15. Matte clear glaze?

    By Louisemarion47, August 20
    • 10 replies
    • 182 views
    • 
    • Louisemarion47
    • August 22

16. Dripping! (Furniture advice!)

    By CP93, August 15
    • 2 replies
    • 98 views
    • 
    • Callie Beller Diesel
    • August 15

17. All the materials are different

    By HenryBurlingame, August 14
    • 5 replies
    • 144 views
    • 
    • HenryBurlingame
    • August 15

18. duotone magma glaze?

    By s6x, August 15
    • 1 reply
    • 70 views
    • 
    • PeterH
    • August 15

19. MN Pottery Pad - stamps

    By Larisa, August 14
    • 3 replies
    • 90 views
    • 
    • neilestrick
    • August 14

20. When mixing clay, how long do you allow the slip to sit/homogenize?

    By tyler, August 13
    • 4 replies
    • 107 views
    • 
    • Min
    • August 14

21. Possible Toxic Fumes when Firing

    By Ben xyz, August 13
    • 7 replies
    • 169 views
    • 
    • Bill Kielb
    • August 13

22. Getting purple glaze to come out purple.

    By karend5, August 7   

    • purple glaze
    • 3 replies
    • 163 views
    • 
    • Callie Beller Diesel
    • August 12

23. Amaco Ancient Copper is back!

    By JohnnyK, August 8
    • 1 reply
    • 95 views
    • 
    • JohnnyK
    • August 9

24. Albany Slip-no more hoarding

    By Mark C., July 26
    • 5 replies
    • 209 views
    • 
    • Babs
    • August 8

25. underglaze Pinholes in underglaze when applied using applicator tip bottle

    By cojo, August 3   

    • application
    • pinholes
    • 9 replies
    • 154 views
    • 
    • Bill Kielb
    • August 6