
Photo Jošt Gantar
Sample 69 is clay from Log Čezsoški (Slovene Littoral). The recommended firing temperature is 900–1300 °C. At 1300 °C shrinkage is 0 % and porosity 4 %.
Clay samples
800 °C
900 °C
1000 °C
1100 °C
1200 °C
1300 °C
- segrevanje
heating up - priporočena temp. žganja
recommended firing temperatures
Clay preparation for testing
unprocessed clay
sifted and dried clay- grain size in mm
1.6 % = 1.0 mm
0.3 % = 0.2 mm
0.3 % = 0.05 mm