Foam glass is a porous inorganic non-metallic material which is made of waste flat glass and bottle glass and is foamed at high temperature. It is fireproof, waterproof, non-toxic, corrosion-resistant, anti-mite, non-aging, non-radioactive and insulating. Anti-magnetic wave, anti-static, high mechanical strength, good adhesion to various types of mud. It is a stable building exterior wall and roof insulation, sound insulation and waterproof material.
According to reports, foam glass can also be used in the heat preservation project of flue, kiln and cold storage, heat insulation, waterproof and fireproof engineering of various gas, liquid and oil transmission pipelines, subway, library, office building, opera house, cinema, etc. Various places that require sound insulation and heat insulation equipment, isolation and sound insulation engineering for infrastructure construction, leak prevention and flood control works for river canals, guardrails, dams, etc. It even has functions for home cleaning and health care. The use of foam glass to protect the heating duct reduces heat loss by approximately 25% compared to conventional protective materials.
Foam glass is a kind of lightweight high-strength building materials and decorative materials with excellent performance (cooling), sound absorption, moisture proof and fireproof. It is also called porous glass. Its interior is filled with numerous open or closed small pores, and the area of ​​pores is occupied. The total volume is 80%~90%, the pore size is 0.5~5mm, and some are as small as a few microns. The main raw material of foam glass is usually cullet, and acidic volcanic lava materials such as volcanic ash, pumice, perlite, obsidian, blast furnace slag and the like can be used.
At present, foam glass is rarely used in China, and it is a new type of material that can be used as an energy-saving window glass or a thermal insulation material for building envelopes.
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