Perlite aggregate consists of expanded perlite
, sized for use in lightweight fire retardant (resistant up to four hours) insulating concrete, replacing sand or gravel.
such inorganic aggregates as expanded perlite
(Sari, Karaipeikli 2008; Topcu, Isikdag 2008), vermiculite (Koksal et al.
Saudi Perlite lndustries, a pioneer in the field of thermal and cryogenic insulation, manufactures expanded perlite
at one of the biggest facilities of its kind in the region.
THE US IS ESTIMATED to be the largest consumer and producer of crude and expanded perlite
Beglaryan said that the packs of expanded perlite
belong to such technologies.
Some specific topics include modernization of the production of high-purity quartz groats from natural quartz, auto-ignition temperature data for selected ketones, and thermal treatment of new inorganic thermal insulation board based on expanded perlite
is extensively used in construction and other industries due to its low apparent weight as well as low heat coefficient and high sound absorption.
The filler includes a mixture of unexpanded and expanded ash and expanded perlite
Air cells within the expanded perlite
provide its insulating efficiency.
Polyester plus expanded perlite
particles, and vitrified perlite particles, were used as support materials.
Several lightweight aggregates were tested, including ceramic spheres, lightweight sand, expanded shale, and expanded perlite