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①High impact strength. After being impacted, the brittle glass shatters, but due to its combination with the elastic PVB, the laminated glass has high penetration resistance and still maintains visibility.
② high adhesion. The adhesion between glass and PVB is high. When the glass is broken, the glass fragments still stick to the PVB without peeling off or hurting people, and it is safe.
③Light resistance, heat resistance, moisture resistance and cold resistance.
Even if the glass is broken, the fragments will stick to the film, and the surface of the broken glass remains clean and smooth. This effectively prevents the occurrence of debris puncture and penetrating fall events, ensuring personal safety.
According to the melting point of the interlayer film, it can be divided into: low temperature laminated glass, high temperature laminated glass, insulating glass;
According to the different materials sandwiched in the middle, it can be divided into: paper, cloth, plant, wire, silk, metal wire and many other types;
According to the different bonding methods between the interlayers, it can be divided into: mixed laminated glass, dry laminated glass, hollow laminated glass;
According to the different layers of the interlayer, it can be divided into: general laminated glass and bulletproof glass.
It has the properties of transparency, high mechanical strength, light resistance, heat resistance, cold resistance, sound insulation and UV protection. The combination of glass and bonding material makes the laminated glass have good impact resistance and safety performance when broken. When the laminated glass is impacted and shattered, the shards are held by the bonding material, which only forms cracks and is not easy to hurt people, and can maintain the original shape and visibility. Due to the above advantages of laminated glass, it has been widely used in buildings, automobiles, ships, and airplanes.
Laminated glass is also used in car windshields as it provides maximum protection in the event of an accident. It can also be used as structural glass for the construction of glass railings, glass floors, skylights, roofs, sun spaces, curtain walls, glass facades, etc.
This is because laminated glass is not only much stronger than normal annealed glass, it is not easy to break, but in rare cases it does break, it does not shatter into sharp shards, but glass shards stick together to form a cobweb-like pattern, thereby reducing the chance of serious injury.
1. Processing temperature or soaking time is not enough. 2. Stain on the surface of glass is not totally cleared. 3. Expiration of interlayer material. 4. Quality of interlayer such as the moisture content 5. Pairing of glass