Zhaoguan Glass
Blog
03
2025
-
01
What are the differences between hollow glass and tempered glass?
Author:
Hollow glass is not tempered glass; they differ in structure, performance, and application. Hollow glass is mainly used for thermal insulation and soundproofing, while tempered glass is widely used in construction, automobiles, and other fields due to its high strength and safety.
When discussing the diversity of building materials, hollow glass and tempered glass are two commonly mentioned terms. Although both are indispensable parts of modern architecture, they are fundamentally different. So, is hollow glass tempered? The answer is clearly no. Next, we will analyze the differences between the two from multiple dimensions.
1. Differences in Material and Structure
Hollow glass, as the name suggests, is made by leaving a certain gap between two or more pieces of glass, which is sealed off from the outside by sealing strips or spacer bars. This structure allows hollow glass to perform excellently in thermal insulation and soundproofing, making it an important element in modern energy-efficient building design.
In contrast, tempered glass is produced by creating a layer of compressive stress on the surface of the glass through physical or chemical methods, thereby increasing the strength and load-bearing capacity of the glass. Even when broken, tempered glass forms small particles without sharp angles, greatly reducing the risk of injury, which is why it is widely used in high-safety applications such as building curtain walls and car windows.
2. Comparison of Performance Characteristics
1. Thermal Insulation Performance: Hollow glass has an air layer inside that effectively blocks the direct transfer of heat, thus providing excellent thermal insulation performance. Although tempered glass can also reduce heat transfer to some extent, its main advantages lie in strength and safety.
2. Soundproofing Effect: The air layer in hollow glass can effectively absorb and isolate noise, creating a quieter indoor environment. Tempered glass does not have such soundproofing effects.
3. Safety Performance: Tempered glass does not form sharp fragments when broken, significantly reducing the risk of injury, making it a model of safety glass. Although hollow glass also has certain wind pressure resistance, it cannot be compared to tempered glass in terms of safety.
3. Distinction in Application Fields
Based on the aforementioned performance characteristics, hollow glass and tempered glass also differ in their application fields. Hollow glass, due to its excellent thermal insulation and soundproofing properties, is often used in doors, windows, and curtain walls of buildings to enhance the comfort of living or working environments. In contrast, tempered glass, due to its high strength and safety, is widely used in situations that need to withstand significant external impacts, such as the outer walls of high-rise buildings, glass walkways, and car windshields.
In summary, hollow glass and tempered glass have significant differences in material, structure, performance, and application. Understanding these differences helps us choose the appropriate building materials based on actual needs, creating a safer and more comfortable environment for our lives and work.
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