[China Glass Net] Laminated glass consists of two or more pieces of glass with a layer or layers of intermediate film (PVB, SGP, EVA, PU, ​​etc.) interposed in a special high-temperature process to make the glass and the middle The film is bonded together to become a product that becomes a true laminated glass.
Laminated glass is mostly made of laminated glass in automobile manufacturing, large glass curtain wall or high-rise buildings. On the one hand, laminated glass is better in quality and resistant to ordinary glass. On the one hand, laminated glass is broken. The granules will not be sharply facing the human body, so let's take a look at the laminated glass.
1. Safety: When impacted by external force, the elastic intermediate layer has the function of absorbing shock, which can prevent the impact material from penetrating. Even if the glass is damaged, it can only produce fine cracks like spider webs, and the fragments adhere firmly. On the middle layer, personal injury or property damage caused by falling glass fragments can be avoided. Whether installed vertically or tilted, it resists the penetration of external impacts and keeps the entire glass intact, continuing to withstand impact and wind and rain until it is replaced.
2, anti-theft (anti-penetration): PVB laminated glass is very tough, even if the thieves cracked the glass, because the middle layer of glass firmly adhered together, still maintain integrity, so that thieves can not enter indoors, for the human body and Property has a protective effect. The standard "two-clip" glass can withstand the penetration of general external impactors, and even if the opening is severely damaged, the opening is small. Once destroyed, the intermediate layer can still protect the building until the glass is replaced.
3, sound insulation: glass is an ancient iron material, is not an effective noise barrier, if the noise is transmitted through the glass, it has an impact on the indoors; because the PVB film has a damping function on the sound wave, the laminated glass can effectively suppress the noise Spread.
4, anti-UV function: in the window design, natural light conduction plays a very important role, but too much sunlight will lead to too high heat, laminated glass has a variety of stable coloration, PVB film can absorb 99% of ultraviolet rays This helps protect valuable furniture, wall charts, displays or merchandise from fading by UV radiation. Most of the absorbed energy is dissipated by re-radiation and convection conduction outside.
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