These are three runs of Alberta Slip being compared with the original Albany Slip. Ten-gram GBMF test balls are fired on porcelain tiles at cone 6. This test shows how the material flows (when mixed with 10% frit), how much gases of decomposition have survived until the latter stages of firing and how well it allows them to escape. Similarity in appearance and spread is characterized as similarity in melting behavior.
| Materials |
Albany Slip
A pure low plasticity clay that, by itself, melted to a glossy dark brown glaze at cone 10R. It was a popular glaze ingredient for many decades. |
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