Monthly Tech-Tip | No tracking! No ads! |
Iron oxide has been added to a buff burning stoneware clay and samples fired at cone 6. They contain black iron oxide (10%, 5% and 2.5%). Even at 2.5% the raw pugged body is very black and messy to work with. Did they fire black? Or even dark grey? No. We have also tried 20% (mix of black and yellow iron) and the fired color is still dark red. Some form of manganese is needed to get an affordable black burning clay.
Materials |
Iron Oxide Black
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