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Glass craft

time2010/06/11

Nearly half a century, glass art design with unprecedented depth and breadth of penetration into people's lives. In shape, while the use of different types of glass and the way the production process much more than any time in the history of glass. Among them, the plastic arts as a glass surface area of an important branch of art glass, glass art design in the contemporary shine, as artists and designers to create unique artistic medium.
Determine the characteristics of the glass it can be subjected to various processing methods, modeling the formation of rich patterns. The main raw materials of glass production of glass formation, glass objects and glass intermediate adjustment, the rest of the secondary raw materials. Raw materials that form a network of oxide into glass, and the network of intermediate oxide oxides; auxiliary materials, including clarifying agents, flux, opacifier, colorant, bleaching agents, such as oxidant and reductant.
Glass production process include: ① the pre-processing of raw materials. The massive material (quartz sand, soda ash, limestone, feldspar, etc.) crushed, so dry and wet ingredients, except the iron raw materials for iron treatment, to ensure the quality of glass. ② batch preparation. ③ melting. Glass batch in the crucible kiln furnaces or high temperature (1550 ~ 1600 ° C) heat, and make it a uniform, no bubbles, and meet the forming requirements of the liquid glass. ④ molding. Will be processed into the required liquid glass shape products, such as flat-panel, various utensils, etc.. ⑤ heat treatment. By annealing, quenching and other processes, eliminate or create stress within the glass, phase separation or crystallization, and changes in the structure of the glass state.