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A chemical vaporization heat treatment method and a single piece of soda-lime-silica glass are used to change the original molecular structure without affecting the original color and light transmittance of the glass, so as to meet the ultra-hardness standard and satisfy the fireproof requirement under high-temperature flame impact. Hardness fireproof glass, its manufacturing method, and special equipment. It is made up of the following components by weight: potassium salt vapor (72% to 83%), argon (7% to 10%), gaseous copper chloride (8% to 12%), nitrogen (2) %~6%). It comprises the following process: cutting with soda-lime-silica glass as the substrate, cold working of fine grinding edge → chemical vapor phase heat treatment of cold-processed soda-lime-silica glass → treatment of the surface of soda-lime-silica glass with fireproof protective film → The surface of the soda-lime-silica glass is subjected to special physical tempering treatment. The cylinder block and the cylinder head which is fitted with the cylinder head and the reaction vessel integrally connected with the cylinder head constitute a special thermal decomposition gasification device.
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