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Blog

2019-07-15

Glass Production Process

Production Process mainly include:

1 raw material processing. The crushed raw materials (quartz sand, soda ash, limestone, feldspar, etc.) are crushed, the wet raw materials are dried, and the iron-containing raw materials are iron-removed to ensure the quality of the glass.

2 batch material preparation.

3 melting. The glass batch material is heated at a high temperature (1550-1600°C) in the tank kiln or kiln to form a liquid glass that is uniform, free from bubbles, and conforms to the molding requirements.

4 molding. The liquid glass is processed into a product of a desired shape such as a flat plate, various vessels, and the like.

5 heat treatment. Through annealing, quenching and other processes, eliminate or generate internal stress, phase separation or crystallization of the glass, and change the structural state of the glass.

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