The difference between double-layer laminated glass and double-layer insulated glass from Foshan tempered glass factory.
Release time:
Dec 25,2024
There are significant differences in structure, performance, and application between laminated glass and double-glazed glass.
1. Structural Differences
Laminated glass: Made of two pieces of glass with a layer of PVB (polyvinyl butyral) film sandwiched in between. This structure ensures that even if the glass shatters upon impact, the fragments will be adhered to the film, thereby reducing the likelihood of injury.
Double-glazed glass: Formed by maintaining a certain distance between two layers of glass through a special sealing method, creating a cavity in between. This cavity usually contains a desiccant to absorb moisture, ensuring that the internal air layer remains dry for an extended period, free from moisture and dust.
2. Performance Differences
Safety:
Laminated glass has high safety due to the adhesive properties of the PVB film; even if the glass breaks, it will not scatter and injure people.
Double-glazed glass also has a certain level of safety, but comparatively, its fragments may scatter upon breaking, making it slightly less safe than laminated glass.
Sound insulation performance:
The air layer in laminated glass can effectively isolate sound, improving indoor environmental comfort.
Double-glazed glass also has good sound insulation performance, but the specific effect depends on the distance between the two pieces of glass and the dryness of the air layer in between.
Thermal insulation performance:
The air layer in laminated glass can provide some thermal insulation, but comparatively, its effect is not as significant as that of double-glazed glass.
Double-glazed glass, due to its special sealing method and dry air layer, can more effectively isolate heat exchange between indoors and outdoors, providing better thermal insulation.
UV resistance performance:
The PVB film in laminated glass can effectively filter ultraviolet rays, preventing damage to indoor items from UV exposure.
Double-glazed glass can also block some UV rays, but comparatively, its UV resistance is slightly inferior to that of laminated glass.
3. Application Differences
Laminated Glass:
Widely used in fields such as construction and automobiles. In construction, it is commonly used in windows, curtain walls, skylights, etc., in high-end residences, office buildings, and commercial complexes.
In the automotive field, it is often used in windshields and side windows. Additionally, it can be applied in bulletproof glass for banks and jewelry stores.
Double-Glazed Glass:
Also widely used in the construction field, especially suitable for high-end residences, commercial buildings, and hotels. Its sound insulation, thermal insulation, and heat resistance characteristics make it a preferred choice for quality building materials.
At the same time, it can also be used to make doors and windows, sunrooms, and other home products to enhance indoor lighting effects and reduce energy consumption.
In summary, laminated glass and double-glazed glass each have their characteristics in terms of structure, performance, and application. When choosing between them, one should consider specific usage scenarios and needs comprehensively.
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China Guangdong Haibo Special Glass Technology Co., Ltd. Unified Social Credit Code: 91440101MA5AT33G12 Contact Numbers: General Manager Cao, 13178822749; General Manager Wei, 13533794186.