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Foam Glass

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foam glass [′fōm ‚glas]
(materials)
A light, black, opaque, cellular glass made by adding powdered carbon to crushed glass and firing the mixture.

foam glass, cellular glass, expanded glass
A thermal insulation made by foaming softened glass to produce many sealed bubbles; has a closed-cell structure. Molded into board and blocks, usually with a density of about 9 to 10 lb per cu ft (14.4 to 16 kg per cu m).

Foam Glass 

a cellular material that is obtained by heating to fusion finely ground glass powder with a pore-forming material, such as coke, chalk, or dolomite. It is a good thermal and acoustic insulator and is easily worked and cemented. The average density varies from 100 to 700 kg/m3.

Foam glass is used for the thermal insulation of refrigeration cars and underground piping and as a buoyant material in rescue devices and pontoons. Filters for acids and alkalies are made from foam glass with open pores.



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Good growth is also expected for foam glass in thermal insulation applications, particularly as an insulating base for liquified natural gas tanks.
These lightweight foam glass bricks remove paint, varnish, wax, rust and mineral stains just as effectively, and without the chemicals and odors, of harsher alternatives.
Good growth is also expected for foam glass in thermal insulation applications.
 
 
 
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