Light Expanded Clay Aggregates

We are offering light expanded clay aggregates. The term leca stands for light expended clay aggregates. Leca is produced though continues is burning process inside rotary kiln with very high temperature of 1100oc to 1200 oc, by using natural gas. The history of expended clay was developed in 1917 in kansas city missori, which is known as hyalite, and then produced in some european countries under different brand names. Due to its properties leca was commercial produced with first kiln ignition in