Expanded Clay Aggregate, ECA, LECA is manufactured in India by our group for 1st time. ECA is 100% inert, lightweight, strong, thermal and sound insulating material which is high quality, fire resistant, insect free and a durable Structural Lightweight Concrete. ECA is "All in One" product offering huge range of properties vital for sustainable construction. Expanded Clay is a low density aggregate combined with high strength. Sizes are 0-30 mm (rounds and crushed) with density 260-700 kg/m3.