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    LECA (Lightweight Expanded Clay Aggregate) is an aggregate made of expanded clay at average 1200 C° in rotary kiln, the Yielding gases are expanded by thousands of small bubbles as long as this temperature and those will be provide many voids and honeycombs at these round shape aggregates when melted materials become cold. The clays and shales expanded were developed about 1917 in …

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  • Leca - Lightweight expanded clay aggregate

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  • Expanded clay aggregate - Wikipedia

    Lightweight expanded clay aggregate (LECA) or expanded clay (exclay) is a lightweight 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.

  • The Do's and Don'ts of Expanded Clay Pebbles

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  • What is LECA® Lightweight Aggregate? | Leca UK

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  • A Study on Light Expended Clay Aggregate (LECA) in a ...

    applying LECA it is possible to synchronize the air and moisture inside the soil. The process is to scatter a 5 centimeters layer of LECA in the part which contains the unsuitable soil. Then the soil should be mixed. The other method is to putting out a layer of the unsuitable soil and put a layer of LECA and the return back the layer of the soil.

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