This innovative method combines a chemical vaporization heat treatment process with a single piece of soda-lime-silica glass to alter the original molecular structure without compromising its natural color or light transmittance. As a result, the glass achieves ultra-hardness and meets strict fireproof standards, even under intense high-temperature flame exposure. The technology involves a specialized manufacturing process and unique equipment designed for this purpose.
The composition of the treated glass includes, by weight: potassium salt vapor (72% to 83%), argon (7% to 10%), gaseous copper chloride (8% to 12%), and nitrogen (2% to 6%). The production process begins with cutting the soda-lime-silica glass into the desired shape, followed by cold working and fine grinding of the edges. Next, the glass undergoes chemical vapor phase heat treatment, which enhances its structural integrity. After that, a fireproof protective film is applied to the surface, providing an additional layer of safety. Finally, the glass is subjected to a special physical tempering treatment to further increase its strength and durability.
The entire process is carried out using a custom-designed thermal decomposition gasification device. This device consists of a cylinder block and a cylinder head, which are integrally connected to a reaction vessel. This setup ensures precise control over the chemical vaporization and heat treatment stages, allowing for consistent and high-quality results. The resulting hard fireproof glass is ideal for applications where both impact resistance and fire protection are critical, such as in architectural glazing, safety barriers, and industrial environments exposed to extreme conditions.
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