Albany Slip (Sub)

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Quick Overview

A dark firing, high iron clay used for clay and glaze recipes.

Albany Slip

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Albany Slip Substitute formulated at Laguna Clays. A dark firing, high iron clay used for clay and glaze recipes.

"Albany was a low plastic silty clay that was mined in Albany, New York for many decades. It melts to a glossy chocolate brown glaze at cone 8-10. It was a very popular glaze ingredient for dark colors and tenmoku and iron crystal effects. In the early 20th century it was used extensively on heavy utilitiarian stoneware across North America and even on electrical insulators. Glazes could be formulated very easily using this material as a starting point since it was already balanced and had good slurry properties. Potters especially adopted this material and it appears in thousands of recipes used across North America.

Oxide Analysis Formula
CaO 5.81% 0.48
MgO 2.71% 0.31
K2O 3.20% 0.16
Na2O 0.80% 0.06
TiO2 0.40% 0.023
Al2O3 14.63% 0.66
SiO2 57.82% 4.42
Fe2O3 5.21% 0.15
LOI 9.41
Oxide Weight 416.11
Formula Weight 459.33
MLPT - Melting Point (MP) 1170C
SVWT - Sieve Analysis Wet on 60 mesh: 0 on 120 mesh: 1.0% on 200 mesh: 5%

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