•The secret to cool bodies and glazes is alot of testing.
•The secret to know what to test is material and chemistry knowledge.
•The secret to learning from testing is documentation.
•The place to test, do the chemistry and document is an account at https://insight-live.com
•The place to get the knowledge is https://digitalfire.com
Globally Harmonized Data Sheets
Health warning phrases on a bag of Kaolin
Health warning phrases on a bag of ball clay
Health warning phrases on a bag of silica
By Tony Hansen