SlovenščinaCatalogue of Slovene clays

sample19Loka-Črnomelj · White Carniola

45.936911 15.551942

Collected by Martin Skoliber

Clay Foundation under the Road in Črnomelj – Loka-Črnomelj · White Carniola
Clay Foundation under the Road in Črnomelj
Photo Martin Skoliber

Sample 19 is clay from Loka-Črnomelj (White Carniola). The recommended firing temperature is 900–1000 °C. The beginning of sintering is at 1000–1250 °C. At 1000 °C shrinkage is 19 % and porosity 5 %.

Clay samples

  1. Sample 19 – 800 °C800 °C
  2. Sample 19 – 900 °C900 °C
  3. Sample 19 – 1000 °C1000 °C
  4. Sample 19 – 1100 °C1100 °C
  5. Sample 19 – 1200 °C1200 °C
  6. Sample 19 – 1300 °C1300 °C
segrevanjeheating uppriporočena temp. žganjarecommended firing temperatureszačetek sintranjathe beginning of sinteringmehčanjesofteningžganje/firing °C%%00224466881010121214141616181820202222242426262828suha glina/dry clay900 °C1000 °C1100 °C1200 °C1300 °C
  • segrevanje
    heating up
  • priporočena temp. žganja
    recommended firing temperatures
  • začetek sintranja
    the beginning of sintering
  • mehčanje
    softening
%0481216202428suhadry9001000110012001300°C
poroznost/porosity %skrčki/shrinkage %

Clay preparation for testing

  1. unprocessed clayunprocessed clay
  2. sifted and dried claysifted and dried clay
  3. 012341.00.20.05%grain size in mm
  4. 0.8 % = 1.0 mm0.8 % = 1.0 mm
  5. 0.4 % = 0.2 mm0.4 % = 0.2 mm
  6. 0.2 % = 0.05 mm0.2 % = 0.05 mm