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How is the glass bottle made?
Dec 18, 2018

The glass is transparent and has stable performance. Various types have different characteristics depending on the application, and the scope of application is very wide. When we choose glass, in addition to paying attention to the price, we should also have a certain understanding of its type and performance, and learn from the shortcomings to find a more suitable material. We collected the information to compile this article to help you understand how glass bottles are made and printed.

 

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1. how is the glass bottle made?


The glass bottle production process mainly includes:

(1)raw material pre-processing. The bulk material (quartz sand, soda ash, limestone, feldspar, etc.) is pulverized to dry the wet raw material, and the iron-containing raw material is subjected to iron removal treatment to ensure the quality of the glass.

(2) batch preparation.

(3)melting. The glass batch material is heated at a high temperature (1550~1600 degrees) in a pool kiln or a pool furnace to form a liquid glass which is uniform, free of bubbles and meets the molding requirements.

(4)molding. The liquid glass is placed in a mold to form a glass product of a desired shape, such as a flat plate, various utensils, and the like.

(5)heat treatment. By annealing, quenching, etc., the stress, phase separation or crystallization inside the glass is eliminated or generated, and the structural state of the glass is changed.

 

2.How the pattern on the glass bottle is printed


It’s silkscreen.

Screen printing is a stencil printing method, which is called four printing methods together with lithography, embossing and gravure printing. The stencil printing includes stencil printing, boring flower printing, spray printing and screen printing. The principle of stencil printing is : The printing plate (the aperture of the paper film or other plate is made through the ink). During printing, the ink is transferred to the substrate (paper, ceramics, etc.) through the hole of the stencil by a certain pressure to form a picture. Icon or writing.

By printing the squeegee, the ink is transferred to the substrate through the mesh of the graphic part to form the same graphic as the original. The screen printing device is simple, easy to operate, simple in printing and plate making, and low in cost. Strong. Screen printing applications A wide range of common prints include: color oil paintings, posters, business cards, binding covers, merchandise signs, printing and dyeing textiles, etc.

 


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