Process

- Dec 05, 2017-

Glass bottle production process include:

 ① raw material pre-processing. The massive raw materials (quartz sand, soda ash, limestone, feldspar, etc.) crushed, the wet raw material is dried iron-containing raw materials for iron treatment to ensure the quality of the glass.

 ② with the preparation of materials.

 ③ melting. The glass batch material is heated at a high temperature (1550-1600 ° C) in a pool kiln or a pool furnace to form a liquid glass that is uniform, bubble-free, and complies with forming requirements.

 ④ forming. The liquid glass into the mold to make the desired shape of glass products, such as flat, all kinds of utensils. 

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