Glass bottles are traditional beverage packaging containers in China, and glass is also a very historical packaging material. With the influx of many kinds of packaging materials into the market, glass containers still occupy an important position in beverage packaging, which is inseparable from its packaging characteristics that other packaging materials cannot replace.
Glass bottles are mainly used as packaging materials in food, oil, alcohol, beverages, condiments, cosmetics, and liquid chemical products. They have a wide range of uses. The main characteristics of glass bottles are: non-toxic and tasteless; transparent, beautiful, good barrier properties, airtight, abundant raw materials, low prices, and can be used for many cycles, glass bottles are more resistant to heat, pressure and cleaning. Advantages: both high temperature sterilization and low temperature storage. However, glass bottles also have their disadvantages, such as heavy weight, high transportation and storage costs, and resistance to impact. The main raw materials of glass bottles are natural ore, quartz stone, caustic soda, limestone, etc. Glass bottles are highly transparent and resistant to corrosion, and will not change material properties when exposed to most chemicals.
The manufacturing process of glass bottle is simple, the shape is free and changeable, the hardness is large, heat-resistant, clean, easy to clean, and it can be used repeatedly. First, design and determine the mold. The glass bottle is made of quartz sand as the main raw material, and other auxiliary materials are dissolved at a high temperature to form a liquid. Glass bottles usually have a rigid logo, and the logo is also made of the shape of a mold. Glass bottle molding can be divided into three types: manual blowing, mechanical blowing and extrusion molding.
Post time: Jan-20-2020