The advantages and disadvantages of various glass toughening methods
Chemical toughening is suitable for tempering thin glass, high precision or complex glass, and its products are mostly used for glasses, aviation glass, electronic substrate glass and other special uses. However, the chemical tempered product service life is short, generally for 3 years, and the product life of more than 30 years of tempering; particle toughened glass can produce high strength and no stress markings of thin glass, but will affect the surface quality of the glass mirror; the liquid glass technology suitable for small size and thin glass ultra thin glass.
In addition, acid corrosion also affects the strength of glass. The principle of acid corrosion is to remove surface crack layer or crack passivation by reducing acid stress and reduce stress concentration, so as to restore the inherent high strength characteristics of glass. The above mentioned glass enhancement technologies can also be organically combined, giving full play to their strengths and improving the strength of glass, so as to form the so-called comprehensive enhancement technology.

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