Technical Specifications of Tempered Glass

Jul 07, 2026

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Strength
Tempered glass is a specially treated safety glass, 4-5 times stronger than ordinary glass. It can withstand wind pressure, impacts, and other external forces, breaking into small particles and avoiding the injury caused by ordinary glass shards. The strength indicators of tempered glass include breaking stress and thermal shock resistance.

 

Thickness
Tempered glass thickness is typically 4-19mm. The appropriate thickness should be selected based on the intended use environment and requirements. Thicker tempered glass provides better strength and stability but also increases cost.

 

Flatness
The flatness of tempered glass refers to the smoothness of its surface. A smoother surface results in less distortion and deformation when light is transmitted. Generally, the corrugation height of the glass sheet should be less than 0.1mm to ensure light transmittance and depth perception.

 

Heat Resistance
Tempered glass has good heat resistance, typically between 300℃ and 500℃, maintaining its strength and stability even in high-temperature environments. Therefore, tempered glass is suitable for high-temperature environments, such as balconies, garages, and solar rooms.

 

In general, tempered glass features high strength, high stability, and high light transmittance, making it a widely used type of safety glass. When purchasing tempered glass, it is necessary to select the appropriate thickness and specifications based on your usage needs, and pay attention to checking technical indicators such as flatness and heat resistance.

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