Lightweight Expanded Clay Aggregate Leca Making Line
Lightweight Expanded Clay Aggregate LECA Making Line Ceramsite Sand Production Plant . Lightweight expanded clay aggregate (LECA Production line) or expanded clay (exclay) is a light weight aggregate made by heating clay to around 1,200 C (2,190 F) in a rotary kiln.The yielding gases expand the clay by thousands of small bubbles forming during heating producing a honeycomb structure.