What is Tempered Glass?
Tempered glass is a type of safety glass produced by heating high-quality float glass near its softening point, then rapidly cooling the surface. This creates compressive stress on the surface and tensile stress in the core — making it 4 to 5 times stronger than ordinary annealed glass.
When broken, tempered glass shatters into small, blunt granules rather than sharp shards, significantly reducing the risk of injury. Its thermal resistance is also 3 times that of standard float glass of the same thickness.
Standard: GB 15763.2-2005 — Safety Glass for Buildings, Part 2: Tempered Glass
Technical Specifications
Key Advantages
Mechanical Strength
Impact resistance and bending strength 4-5 times that of ordinary glass.
Thermal Shock Resistance
Withstands large temperature differentials without cracking — 3× the resistance of standard float glass.
Safe Fragmentation
Breaks into small, blunt-edged particles that minimize risk of serious injury.
Oversized Panels
Our tempering furnace handles panels up to 3.3.3 m × 15 m — among the largest in Hubei province.
Applications
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Superior thermal and acoustic insulation for energy-efficient buildings
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Impact-resistant safety glass with superior sound and UV blocking
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Decorative ceramic frit glass with permanent color and pattern
Low-E Glass
Energy-efficient coating that reflects heat while letting light through
Curved Tempered Glass
Hot-bent and cold-bent architectural glass from a 500 mm minimum radius