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Eradicate the hidden danger of self-explosion, and build intrinsic safety with uniform deep stress in plasma tempered glass of Ming dun.

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Self-explosion is the "sword of Damocles" hanging over the traditional physically toughened glass. Its root is that the surface stress layer formed by quenching process may have uneven or microscopic defects (such as nickel sulfide impurities). Under the temperature change or external force induction, the stress is instantly released and the glass is broken. This hidden danger is particularly worrying in high-rise building curtain walls and other fields. Ming dun Company has a deep insight into this core safety issue, and its ion tempered glass is a sharp weapon to fundamentally solve the problem of self-explosion. Unlike physical tempering, which relies on thermal stress, ion tempering builds a strengthened layer through chemical ion exchange. Under strictly controlled technological conditions, sodium ions on the glass surface are slowly and fully exchanged with potassium ions in molten salt. Because the volume of potassium ion is larger than that of sodium ion, after successful replacement, a permanent compressive stress layer with a depth of hundreds of microns and extremely uniform stress distribution will be formed on the glass surface. This stress comes from lattice extrusion caused by ion volume difference, which is internal and stable, and completely avoids the risk of sudden release due to stress concentration. At the same time, the process is mild and will not introduce additional impurity phases that lead to self-explosion. Therefore, the self-explosion rate of Ming-dun ion tempered glass approaches zero, realizing the real "intrinsic safety". This provides unprecedented peace of mind for application scenarios with extreme requirements for safety, such as lighting roofs of large public buildings, bank partitions, luxury display cabinets, etc., and raises the reliability of safety glass to a brand-new strategic height.

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