Leca(Lightweight expanded clay aggregate)

Leca(Lightweight expanded clay aggregate) is an aggregate made of expanded clay. 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.

Leca can be used in the many fields as follows:

The cultivation media instead of soil.

Water filter in waste water treatment.

Refractory castable.

Lightweight concrete in construction.

Oil proppant.