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Sound insulation glass, also known as acoustic glass, is a kind of glass product that plays a certain role in shielding sound. It is usually a laminated glass with a double or multi-layer composite structure. and attenuation play a key role, and glass products with sound insulation include laminated 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.
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.
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.
There are many advantages to laminated glass, including its safety, security, and energy efficiency. Laminated glass is much harder to break than regular glass, making it an ideal choice for areas where safety is a concern.
Laminated glass is made by pasting PVB (polyvinyl butyral) resin glue film between two or more pieces of glass sheet, then heating, pressing and bonding them together to create flat or curved compound glass product.
This is because not only is laminated glass much stronger than normal annealed glass and will not easily break but on the rare occasion that it does break, it will not shatter into sharp shards but the glass pieces will stick together forming a spider web-like pattern, thereby reducing chances of serious injuries.