News Detail
From Ordinary to Tempered: A Glass’s “Trial by Fire” Transformation
The journey of tempered glass is a remarkable alchemy of heat and physics that turns fragile sheets into safety armor. Here’s how standard glass becomes superglass in three stages:
Stage 1: The Furnace (Softening)
At 620°C—near melting point—glass molecules loosen their bonds. This is the “plastic state” where transformation begins.
Stage 2: The Quench (Toughening)
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High-pressure air jets cool surfaces 50x faster than the core
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Creates 10,000+ psi surface compression (like an invisible force field)
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Inner tension balances outer compression
Science nugget: The cooling rate determines strength—our proprietary system achieves 70°C/sec, outperforming competitors.
Stage 3: The Metamorphosis
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Strength: 5x more impact-resistant
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Safety: Shatters into harmless 10mm³ cubes (vs. sharp shards)
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Thermal Stability: Handles 150°C+ temperature swings
Why It Matters
This 90-minute process gives us:
✓ Car windows that crumble safely in crashes
✓ Skyscraper facades resisting hurricane debris
✓ Phone screens surviving daily drops
Final test: Every batch undergoes shotgun pellet impacts (EN 12600) and 300°C thermal shocks before approval.
From fragile to formidable—tempered glass proves that challenges, like heat treatment, create resilience. Next time you touch a glass surface, remember its fiery rebirth!
