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The back of the bag is blank. The warning label on the front mentions feldspar, crystalline silica and mica.
Hazards |
Feldspar
Feldspars are abundant and varied in nature. They contain small amounts of quartz (while nepheline syenite does not). |
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Materials |
Custer Feldspar
The most common potash feldspar used in ceramics in North America. While having been a standard for many decades its supply appears in doubt in 2024. |
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