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The difference between frosted glass and tempered glass
2022-09-08
In the past, frosted glass was created by grinding it with abrasive machinery, but nowadays it can be produced by treating the surface of flat glass with an etching agent. There are options for single-sided and double-sided frosting.
A distinctive feature of frosted glass is its细腻 surface, which allows light to pass through while remaining opaque, creating a soft, hazy effect. Colorless transparent glass, when frosted, takes on a milky-white appearance, while colored glass becomes even more striking and visually appealing after the frosting process, enhancing both decorative and artistic effects.
Frosted glass, in terms of quality and performance, remains essentially unchanged compared to the original clear glass—except for its transparency.
Tempered glass is actually a type of pre-stressed glass that has undergone reinforcement, giving it excellent mechanical properties as well as superior heat and seismic resistance. To enhance the glass's strength, chemical or physical methods are typically employed to create compressive stress on the glass surface. When external forces are applied, the glass first counteracts the surface stress, significantly boosting its load-bearing capacity and improving its tensile strength.
The two main advantages of tempered glass are: first, its strength is several times greater than that of ordinary glass—its flexural strength is 3 to 5 times higher, and its impact resistance is 5 to 10 times greater than ordinary glass. While enhancing durability, it also significantly improves safety.
Advantages
Its strength is several times greater than that of ordinary glass, with enhanced resistance to bending.
Safe to use, its enhanced load-bearing capacity improves its inherently fragile nature—so even when tempered glass breaks, it shatters into small, non-sharp fragments, significantly reducing the risk of injury to the human body. Additionally, tempered glass exhibits thermal shock resistance that is 2 to 3 times greater than ordinary glass, typically enduring temperature differences exceeding 150°C. This makes it highly effective in preventing thermal breakage, making it a cutting-edge innovation among modern glass materials.
Disadvantages:
Tempered glass can no longer be cut or further processed—instead, the glass must be shaped into the desired form before tempering, after which it undergoes the hardening process.
Although tempered glass is stronger than ordinary glass, it has a risk of spontaneous shattering—breaking on its own—when exposed to large temperature fluctuations, whereas ordinary glass does not carry this risk.
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