What is the quality of tempered glass? Reasons for the spontaneous explosion of tempered glass in poor quality shower room
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- Time of issue:2021-10-09
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(Summary description)What is the quality of tempered glass? Reasons for the spontaneous explosion of tempered glass in poor quality shower room
Zhuogao Glass
Zhuogao Glass
What is the quality of tempered glass? Reasons for the spontaneous explosion of tempered glass in poor quality shower room
(Summary description)What is the quality of tempered glass? Reasons for the spontaneous explosion of tempered glass in poor quality shower room
- Categories:Industry News
- Author:
- Origin:
- Time of issue:2021-10-09
- Views:0
What is the quality of tempered glass? Reasons for the spontaneous explosion of tempered glass in poor quality shower room
The automatic explosion of tempered glass without direct mechanical external force is called the spontaneous explosion of tempered glass. Self-explosion is one of the inherent characteristics of tempered glass. There are many reasons for self-explosion. Simply summarize the following three types:
(1), the influence of glass quality defects
1. There are stones and impurities in the glass
The impurities in the glass are the weak point of the tempered glass and the stress concentration point. Especially if the stone is in the tensile stress zone of the tempered glass, it is an important factor leading to the explosion. Tempered glass is sourced from the world's top ten glass manufacturers with high purity.
2, the glass contains nickel sulfide crystals
Nickel sulfide inclusions generally exist as small crystalline spheres with a metallic appearance. If these inclusions are inside the tempered glass under tensile stress, the volume expansion may cause spontaneous explosion.
3. The glass surface has defects such as scratches, blasting, deep blasting due to improper processing or operation, which may cause stress concentration or cause the tempered glass to explode.
(2), the stress distribution in the tempered glass is uneven and offset
When the glass is heated or cooled, the temperature gradient along the thickness direction of the glass is uneven and asymmetric. Toughened products have a tendency to explode, and some produce "wind explosion" when they are chilled. If the tensile stress zone deviates to a certain side of the product or deviates to the surface, the tempered glass will explode spontaneously.
(3), the influence of the degree of toughening
The influence of the degree of toughening, experiments have shown that when the degree of toughening is increased to level 1/cm, the number of spontaneous explosions reaches 20-25%. It can be seen that the greater the stress, the higher the degree of toughening, and the greater the amount of self-detonation.
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