as additive together with the expanded polystyrene, in addition
to the clay (usually in a percentage of 5 wt.%) in order to obtain
porous bricks for thermal and acoustic insulation
Further it can be used without further processing in agriculture,
for cleaning floors, for cattle, horses and chickens litter. In compressed
form, it is sold as pellets (solid biofuel of vegetable origin
with a high calorific value obtained by the extrusion process) used
as an energy source for heating