Home page

Is the spontaneous explosion of tempered glass in Guangzhou's home decoration system doors and windows really just a matter of probability?

Release time:

Nov 21,2024

　　The spontaneous explosion of tempered glass is not entirely a matter of probability. Although spontaneous explosion is indeed a low-probability event, it involves multiple influencing factors. Below is a detailed analysis of the spontaneous explosion issue of tempered glass.

　　1. The probability of spontaneous explosion

　　Although the spontaneous explosion rate of tempered glass is low, it does exist. According to publicly released information, the spontaneous explosion rate of tempered glass is approximately between 3% and 5%. There are also claims that the spontaneous explosion rate of 6mm thick tempered glass is between 0.3% and 0.5%, or that the explosion rate should be less than 0.3%. These different data may be influenced by various factors, such as the production process of tempered glass, the quality of raw materials, installation methods, and usage environment. Therefore, spontaneous explosion indeed has a certain probability.

　　2. Analysis of the causes of spontaneous explosion

　　Internal factors of the glass:

　　Defects such as stones, impurities, or bubbles may exist inside tempered glass. These defects can lead to stress concentration when the glass is subjected to external forces or temperature changes, thereby triggering spontaneous explosion.

　　Impurities such as nickel sulfide in tempered glass may cause the glass to crack from the inside out due to expansion over time, which is an important reason for the spontaneous explosion of tempered glass.

　　Processing and installation factors:

　　If improper operations occur during the glass processing, it may lead to defects such as scratches, chipping, or deep explosions, which can also trigger spontaneous explosion.

　　During installation, if the edges of the tempered glass are not treated properly or if the installation stress is too high, it may also lead to spontaneous explosion.

　　Environmental factors during use:

　　During use, if tempered glass is affected by environmental factors such as temperature changes or UV exposure, it may also lead to spontaneous explosion. Especially when there is an uneven temperature gradient between the surface and the interior of the glass, stress differences will arise, increasing the risk of spontaneous explosion.

3. Preventive measures

　　To reduce the risk of spontaneous explosion of tempered glass, the following preventive measures can be taken:

　　Choose quality products: Select tempered glass products that are reliable in quality and have advanced production processes when purchasing.

　　Standardize processing and installation: Ensure that the processing and installation of tempered glass comply with relevant standards and specifications to avoid defects and stress concentration.

　　Strengthen maintenance and inspection: Regularly inspect and maintain tempered glass to promptly identify and address potential issues.

　　Apply explosion-proof film: Apply high-performance polyester film (commonly known as safety explosion-proof film) to the surface of tempered glass. When the glass shatters, it can hold the glass fragments to prevent them from splashing and injuring people.

　　In summary, although the spontaneous explosion of tempered glass has a certain probability, it involves multiple influencing factors. By choosing quality products, standardizing processing and installation, strengthening maintenance and inspection, and applying explosion-proof film, the risk of spontaneous explosion can be effectively reduced.

Development Trends and Innovative Technologies of Commercial Fireproof Glass by Foshan Safety Glass

Key points for custom processing of spherical heat-bent glass in dome architecture at Foshan tempered glass factory