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Laminated Glass Panels

Laminated glass is a type of safety glass that holds together when shattered. In the event of breaking, it is held in place by an interlayer, typically of polyvinyl butyral (PVB) or ethylene-vinyl acetate (EVA), between its two or more layers of glass. The interlayer keeps the layers of glass bonded even when broken, and its high strength prevents the glass from breaking up into large sharp pieces. This produces a characteristic "spider web" cracking pattern when the impact is not enough to completely pierce the glass. In the case of the EVA, the thermoset EVA, offers a complete bounding (cross-linking) with the material whether it is glass, polycarbonate, PET, or other types of products.

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Laminated glass was first used as a safety glass, because a layer of PVB will be added between the glass to bond the two pieces of glass together, so that even if the glass is broken, the fragments will be stuck to the film, and the broken glass surface remains clean Smooth, can effectively prevent the situation of glass fragments hurting people!


However, it was later found that laminated glass has a good sound insulation effect, so the sound insulation industry began to improve the material of the pvb, so that it can be used as a professional soundproof window glass. The modified laminated glass interlayer is very thin, generally about 0.38 or 1.1mm, and it has a good sound insulation effect for low-frequency or high-frequency noise, such as high-frequency noise can even reach 50 dB The amount of sound insulation!


Due to the high impact strength and safety of laminated glass, it is suitable for building doors, windows, ceilings, shower rooms, floors and partition walls, skylights in industrial plants, shop windows, kindergartens, schools, gymnasiums , Private houses, villas, hospitals, banks, jewelry stores, post offices, etc., which preserve valuables or doors and windows of fragile glass buildings. Laminated glass is also often used in public facilities such as schools, airports, hotels, office buildings of ministries and commissions, places prone to accidents (floor-to-ceiling windows, glass doors, etc.) and roof skylights.



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