Handmade wine glass production process

- Aug 21, 2018-

The production process of glassware mainly includes: pre-processing of raw materials, crushing bulk raw materials (quartz sand, soda ash, limestone, feldspar, etc.), drying the wet raw materials, and removing iron-containing raw materials to ensure the quality of the glass. Preparation of batch materials. The glass batch is heated in a pool kiln or a pool furnace at a high temperature (1550~1600 degrees) to form a uniform, bubble-free liquid glass that meets the molding requirements. Forming, placing the liquid glass into a mold to form a glass product of a desired shape, such as a flat plate, various utensils, and the like. Heat treatment, through annealing, quenching and other processes, eliminating or generating stress, phase separation or crystallization inside the glass, and changing the structural state of the glass