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does fiberglass insulation burn

Views: 0     Author: Site Editor     Publish Time: 2023-03-16      Origin: Site


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does fiberglass insulation burn

What Is Fiberglass Insulation?

   Glass fiber cotton (original name in English: glass fiber or fiberglass) is an inorganic non-metallic material with excellent performance. Brittle, poor wear resistance. It is made of glass balls or waste glass through high-temperature melting, wire drawing, winding, weaving and other processes. The diameter of its single filament is several microns to more than 20 microns, which is equivalent to a hair. 1/20-1/5 of that, each bundle of fiber precursors consists of hundreds or even thousands of monofilaments. The glass fiber is often used as reinforcing material of composite material, electrical insulation and heat insulation materials, substrate and other national economy fields. [1]

Glass fiber insulation cotton has the characteristics of low thermal conductivity, good sound absorption effect, long fiber and high tensile performance. It is widely used in building air-conditioning insulation systems, decorative wall sound insulation, decorative ceilings, and equipment insulation in chemical, electric power and other industries.

Scientists have discovered that filling silica airgel into glass fiber wool to make an airgel felt can effectively reduce the thermal conductivity. And the density is only 1/5 of water, absolutely hydrophobic, tensile and compressive, high temperature resistant.

Does Fiberglass Insulation Burn? 

   Fiberglass insulation won't catch fire, but at a high enough temperature, it will melt. However, the kraft paper that is usually attached to the batting as a vapor barrier can catch fire. Blown-in fiberglass is also considered non-flammable, but installation requires specialized equipment.

    If the fiberglass melts, it can cause several problems. One of them is that the fiberglass starts to spread heat to other materials that can ignite.

    Fiberglass insulation is therefore considered non-flammable and will not catch fire. However, paper and foil backings can catch fire. Fiberglass manufacturers can add flame retardant adhesives and foils to the kraft backing.




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