GRES SIENNE GM.002 12.5KG

Stoneware color siena 35% grog 0-0.2 - GM002

Grogged clay of very pleasant texture, firing Siena color in oxidation and dark brown in reduction.

Reduction effect.

This clay is suitable for modeling, throwing and sculpture.

Advised both professionals and amateurs.

T° Firing / 1260 - 1280°C  ( 2300 -2336°F)

Technical characteristics /

Shrinkage dry / 7%

Shrinkage at 1100°C / (2012°F) 4%

                     1260°C / (2336°F) 5%

Porosity at 1100°C / (2012°F) 14.5%

                   1260°C / (2336°F) 7 %

Expansion coefficient 300-500°C / (572-932°F) 55x 10-7

                                  500-650°C / (932-1202°F) 75 x 10-7