These two talcs (Silverline 303 and Amtalc C98) look similar on their data sheets, both are said have 0.5% Fe2O3. But, as the kiln reveals, the #303 material fires much darker. This is interesting because, as a raw powder, the #303 is much whiter in color.
Materials | Silverline 303 Talc |
---|---|
Materials | Amtalc-C98 |