Available as multiple forms: Can be sourced as carbonate, lime, chalk, or marble dust
Summarized by Shop
The most common source of calcium in glazes. It is a high temperature flux which gives durability and hardness to glazes. It is a filler and opacifier in low fire clays and glazes and a flux in high temperature glazes. Also called carbonate of lime, calcium carbonate, limestone, marble dust and chalk.
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Chemical Name
Calcium Carbonate
Form
Powder
Color
White
Application
Flux in high-temperature glazes, filler/opacifier in low-fire clays
