Clay and Glaze Chemistry

5,572 topics in this forum

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

   By Min, October 15, 2019
   • 21 replies
   • 13.8k views
   • 
   • olaff40
   • Yesterday at 06:31 AM

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

   By Min, May 3
   • 0 replies
   • 101 views
   • 
   • Min
   • May 3

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
   • 5.5k views
   • 
   • C.Banks
   • January 14

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

   By Dick White, August 15, 2022
   • 44 replies
   • 2.9k 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
   • 6.9k views
   • 
   • Dick White
   • October 22, 2023

7. Spodumene Substitute Analysis

   By Min, April 1, 2023
   • 11 replies
   • 1.2k views
   • 
   • PeterH
   • July 10, 2023

8. User Beware + Technical FAQ's

   By Guest JBaymore, February 22, 2014
   • 4 replies
   • 26.9k views
   • 
   • oldlady
   • December 27, 2019

9. Observation on converting glazes...Bentonite needed

   By davidh4976, Tuesday at 12:14 AM
   • 8 replies
   • 98 views
   • 
   • High Bridge Pottery
   • 16 hours ago

10. questions about UMF

    By elenab, Tuesday at 05:56 PM
    • 11 replies
    • 122 views
    • 
    • Min
    • 17 hours ago

11. Wood ash glaze conundrum

    By Sam D, Wednesday at 01:48 PM
    • 12 replies
    • 98 views
    • 
    • PeterH
    • 19 hours ago

12. Why is my clay bloating?

    By LindsayM, May 18
    • 15 replies
    • 176 views
    • 
    • PeterH
    • 22 hours ago

13. Glaze firing ruined?

    By kellya10, May 18
    • 5 replies
    • 107 views
    • 
    • Kelly in AK
    • 23 hours ago

14. How fast does your reclaim settle?

    By Callie Beller Diesel, Sunday at 05:41 PM
    • 7 replies
    • 100 views
    • 
    • PeterH
    • 23 hours ago

15. Clear glaze washing out rich dark brown clay

    By tkw954, Monday at 09:40 PM
    • 4 replies
    • 72 views
    • 
    • Rae Reich
    • Wednesday at 04:07 PM

16. Managanese Wash

    By LeeU, March 21
    • 5 replies
    • 188 views
    • 
    • LeeU
    • Tuesday at 12:18 AM

17. Bisque Underglaze Twice??

    By grendel, Saturday at 06:59 PM
    • 4 replies
    • 66 views
    • 
    • Babs
    • Sunday at 10:33 PM

18. Kona F-4 to minspar 200 feldspar substitution

    By GlazeGus, Saturday at 03:50 PM
    • 5 replies
    • 77 views
    • 
    • GlazeGus
    • Sunday at 04:51 PM

19. Adding plasticity to reclaim

    By baby potter, May 4
    • 7 replies
    • 201 views
    • 
    • Callie Beller Diesel
    • Sunday at 04:34 PM

20. Countering the effects of gum in commercial glazes

    By moh, May 16
    • 11 replies
    • 119 views
    • 
    • Min
    • May 17

21. Poor results with Amaco Potter's Choice Blue Spark (PC-11). What can I do to improve next time?

    By MKG001, May 30, 2023
    • 23 replies
    • 897 views
    • 
    • rebekahp
    • May 16

22. Using mason stains in magnesium matte recipe?

    By brooksms, May 13
    • 7 replies
    • 142 views
    • 
    • Rae Reich
    • May 15

23. Microwave Safe

    By Kelly in AK, May 11
    • 15 replies
    • 204 views
    • 
    • neilestrick
    • May 14

24. Magnetic Clay

    By Kelly in AK, May 14
    • 4 replies
    • 85 views
    • 
    • Min
    • May 14

25. Bisque firing quit at 1353 after 6 hours

    By Bear Creek Studio llc, May 11
    • 10 replies
    • 246 views
    • 
    • Bear Creek Studio llc
    • May 14