Clay is extensively pretreated and then heated and expanded in a rotary kiln. Then, the product is sintered at about 1100-1200 °C to produce expanded clay. Expanded clay is strong, thermal insulation, fire resistance and sound absorbent due to its high void content. Expanded clay is used in construction, geotechnical, landscaping, green roof, gardening, roof garden and water management. (AVAILABLE UP TO 1000 CBM)
