expanded perlite

expanded perlite

[ik′spand·əd ′pər‚līt]
(materials)
Perlite that has been finely ground and subjected to extreme heat, causing the particles to become considerably expanded and porous because of release of water.

expanded perlite

A natural, volcanic, glassy, light, cellular material suitable for lightweight aggregate in concrete.
References in periodicals archive ?
Tenders are invited for Supply Of Expanded Perlite Powder
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.
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.
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.
Prices for expanded perlite vary from US$200-560/t and are driven mainly by the costs of expanding the mineral.
IIG also offers an expanded perlite product with a built-in corrosion inhibitor.
560 sqm EPB expanded perlite insulation board, 25 mm thick

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