1 Raw materials: Silica sand, boric acid, etc., mainly in a fixed proportion.
2 Dissolution: Dissolved in a dissolution furnace of 1600 degrees or more.
3 Forming: Glass water is poured into a mold of a forming machine at a suitable forming temperature.
4 Fire Polishing: In order to facilitate the polishing of the surface, the parts that contact the upper and lower models during the forming process are fired by an oxygen furnace.
5 Slow cooling: Remove the stress generated during the forming, and keep it in a slow cooling furnace for a fixed period of time to maintain the high temperature, then slowly cool.
6 Bad inspection: Confirm whether the product meets the specifications.
7 Packaging and delivery: The products that pass the inspection are packaged and delivered according to the requirements of the consumers.
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