The main features of Glass Products are: non-toxic, odorless; transparent, beautiful, good barrier, airtight, common raw materials, low price, and can be used repeatedly. And it has the advantages of heat resistance, pressure resistance and washing resistance. It can be sterilized at high temperature or stored at low temperature.
1. The glass material has good barrier properties, can prevent the gas such as oxygen from invading the contents, and can prevent the volatile components of the contents from volatilizing into the atmosphere;
2. Glass bottles can be used repeatedly, which can reduce packaging costs;
3. Glass makes it easier to change color and transparency;
4. The glass bottle is safe and hygienic, has good corrosion resistance and acid corrosion resistance, and is suitable for packaging acidic substances (if vegetable juice drinks, etc.);
5. In addition, since the glass bottle is suitable for the production of automatic filling production line, the domestic glass bottle automatic filling technology and equipment development are also relatively mature, and the use of glass bottle packaging fruit and vegetable juice beverage has certain production advantages in China.
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. Preparation of batch materials.
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. Forming. 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. Through the processes of 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.
JADEWELL: China professional manufacturers and suppliers of various cheap glass products made in China . You can wholesale quality glass products for sale from our factory.
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