Is the safety of the wire glass from Foshan Tempered Glass Factory overestimated? - Discussing its actual applications and limitations in construction.
Release time：
Feb 26,2025
Is the safety of laminated glass overestimated? A comprehensive analysis should be conducted based on its characteristics and adaptability to architectural scenarios:
I. Safety advantages and applicable scenarios
Laminated glass achieves the characteristic of "breaking but not falling apart, cracking but not scattering" by embedding metal wire mesh within the glass, effectively reducing the risk of flying debris. It is suitable for impact-resistant scenarios such as earthquake protection zones and roof skylights. Its fire-retardant properties can delay the spread of fire, commonly used in type B fire doors or partition designs. Additionally, the physical barrier provided by the metal mesh enhances the building's theft resistance.
II. Performance limitations and application restrictions
Insufficient impact resistance: The strength of laminated glass is lower than that of laminated or tempered glass, making it unable to withstand severe impacts.
Limited fire resistance rating: Although it can block the spread of flames, prolonged exposure to high temperatures can still cause the glass to soften and shatter, failing to meet the fire protection needs of high-rise buildings.
Functional defects: The metal wire mesh reduces light transmittance and blurs visual effects, and the exposed metal edges are prone to rust, requiring additional anti-rust treatment.
III. Balancing trade-offs in practical applications
Laminated glass has significant safety value in low-risk scenarios (such as home partitioning and skylights), but its performance limitations make it difficult to replace higher-grade materials like tempered glass or composite fire-resistant glass. In architectural design, it is necessary to choose compatible solutions based on fire resistance ratings, mechanical loads, and other requirements.
Conclusion: The safety of laminated glass is not completely overestimated, but its applicable range is constrained by material characteristics. A rational understanding of its "moderate safety protection" positioning is essential for achieving scientific application.
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