Tempered glass is a type of glass that has undergone special processing to achieve higher strength and safety. Below, we will explore the production process of tempered glass together.

　　I. Raw Material Preparation

　　The main raw material for tempered glass is ordinary flat glass. Before production, the glass must undergo strict inspection to ensure that its quality meets standards and is free from defects such as bubbles and cracks. At the same time, the glass should be cut to the appropriate size and shape according to production needs.

　　II. Heating Process

　　Next is the heating stage. The glass is placed in a heating furnace and gradually heated to a temperature near its softening point. During this process, the heating rate and temperature must be precisely controlled to ensure that the glass is heated evenly and stress concentration is avoided. Heating furnaces typically use electric heating or gas heating, which are efficient and energy-saving.

　　III. Quenching Treatment

　　When the glass is heated to the appropriate temperature, it immediately enters the quenching zone for rapid cooling. This is the most crucial step in tempered glass production. During quenching, the glass surface cools and contracts rapidly, while the interior remains at a higher temperature, creating compressive stress. This compressive stress gives tempered glass higher impact resistance and bending strength. Quenching is typically achieved using air cooling or liquid nitrogen cooling to ensure even and rapid cooling.

　　IV. Subsequent Processing and Inspection

　　After quenching, the tempered glass undergoes a series of subsequent processing steps, including cleaning, drying, and inspection. Cleaning removes impurities and stains from the glass surface, improving the product's appearance; drying ensures that there is no residual moisture on the glass surface, avoiding affecting subsequent use; and the inspection stage is a comprehensive check of the tempered glass to ensure that its performance indicators meet national standards and customer requirements.

　　In summary, the production process of tempered glass includes raw material preparation, heating, quenching, and subsequent processing steps. Each stage requires strict control of quality and technical parameters to ensure the stability and reliability of the final product's performance and quality. By understanding these processes, we can better understand the characteristics of tempered glass and its broad application prospects in various fields.