ECA is round pellet structure produced by firing natural clay at temperature of 1200°C. The result is a hard, honeycombed structure of interconnecting voids within the aggregate. The particles formed are rounded in shape and generally range in size from 0-30mm; these are processed to the required grading, depending on the final use. ECA is an extremely light weight, strong and thermally insulating material.
ECA (Expanded Clay Aggregate) was developed about 1917 in Kansas City, Missouri, USA, to the production in a rotary kiln of a expanded aggregate known as ( LECA) Haydite which was used in the construction of USS Selma, an ocean-going ship launched in 1918.
In Europe, LECA commenced in Denmark, Germany, Holland (Netherlands), UK and Middle East.
Excellent Fire Resistance
Excellent Thermal Insulation
Low Coefficient Of Thermal Expansion
Hign Resistance to Water Absorption
0-5 mm, 5-10 mm,
10-15 mm, 0-30 mm
300 to 750 kg.m3
Cylinder Compressive Strength
0.6 to 3.0 N/mm2
Dry Thermal conductivity
0.09 to 0.10 W/mk
7 to 9 pH
18 to 20 % of sixe
Block, Wall panel, RCC, PCC, Insulation, Plastering, Flooring, Back fill.
Road, Railway, Fill For Airport Runway, Land fill, Drainage, Port, Underground Conduits & Pipelines, Dead-end bridges, filling, Water Filtration, Fill Behind Retaining Walls, Fill on Elevated Structures, Bridge Applications.
Landscaping, Green Roofs, Flower beds, Flower Pots
Agriculture, Horticultures, Hydroponics.
Off N. H. 8A (Bamanbor-Morvi),
Mesariya Road, Rangapar Village,
Tal. Wakaner, Dist. Rajkot, Gujarat, India
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