Classification of Glass Packaging Containers

Glass packaging container is a transparent container made of molten glass frit by blowing and moulding. Glass packaging containers are mainly used for packaging liquids, solid medicines and liquid beverages.

Classification basis

1. According to the size of the bottle opening

① Small bottle opening. It is a glass bottle with an inner diameter of less than 20mm, which is mostly used for packaging liquid materials, such as soft drinks and beer.

② Large bottle opening. Glass bottles with an inner diameter of 20-30mm are relatively thick and short, such as milk bottles.

③ Wide-opening bottle. Also called canned bottle, the inner diameter of the bottle mouth is greater than 30mm, its neck and shoulders are short, and the bottle shoulders are flat, mostly in the shape of cans or cups. Due to the large opening of the bottle, it is easy to load and discharge. It is mostly used for packaging canned food and viscous materials.

2. According to the geometric shape

① Round bottle. The cross-section of the bottle body is round, which is the most widely used bottle type with high strength.

② Square bottle. The cross-section of the bottle body is square, the strength of this bottle is lower than the round bottle, and it is more difficult to manufacture, so it is less used.

③ Curved bottle. Although the cross-section is round, it is curved in the height direction. It has two types, such as a vase type and a gourd type, which are concave and convex. The new forms are very popular with users.

④ Oval bottle. The cross-section is elliptical, although the capacity is small, but the shape is unique, and users love it.

3. According to purposes

① Bottles for alcohol. Almost all wines are packaged in glass bottles, mainly round bottles.

② Daily packaging glass bottles. It is usually used to package various small daily commodities, such as cosmetics, ink, glue, etc. Because of the many types of commodities, the bottle shape and sealing are also diverse.

③ Canned bottle. There are many kinds of canned foods, and the output is large, so it is self-contained. Wide-mouth bottles are often used, and the capacity is generally 0.2~0.5L.

④ Medical bottles. This is a glass bottle used to pack medicines. There are brown small mouth bottles with a capacity of 10~200mL, infusion bottles of 100~1000mL, completely sealed safety

⑤ Bottles for chemical reagents. It is used for packaging various chemical reagents, the capacity is generally 250~1200mL, and the bottle mouth is mostly screw or ground.

4. According to colors

There are colorless transparent bottles, white bottles, brown bottles, green bottles and blue bottles.

5. According to the shape of the bottleneck

There are necked bottles, non-necked bottles, long-necked bottles, short-necked bottles, thick-necked bottles and ampoules.