PVB interlayer is a translucent film, mainly used for laminated glass. It is a polymer material made of polyvinyl butyral resin plasticized and extruded with a plasticizer. The appearance is a translucent film with no impurities, a smooth surface, a certain roughness and good softness, good adhesion to inorganic glass, transparency, heat resistance, cold resistance, moisture resistance, and high mechanical strength.
Safety glass produced using all-resin PVB film has superior optical properties, higher light transmittance and lower haze, making the finished glass more transparent. For example, if multiple layers of PVB are used to make laminated glass, the advantages of all-resin PVB will be It will be more obvious. Secondly, the yellowing value of the film is very low and the film is whiter, so that the finished glass will not turn yellow and is suitable for ultra-white laminated glass. The all-resin film is more durable and can withstand the sun and rain. It will not cause degumming, bubbles, aging and other undesirable phenomena after long-term use.
PVB interlayer film is widely used in construction, automobile, photovoltaic and other industries. PVB interlayer films produced with special formulas are also widely used in aerospace, military and high-tech industries, such as aircraft, aerospace products, military instruments, solar cells and solar receivers. It is currently the best adhesive material for manufacturing laminated and safety glass in the world. It is also widely used in construction fields such as building curtain walls, tents, showcases, bank counters, prison viewing windows, steel furnace screens and various bulletproof glass.
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