Meaning and characteristics of glass packaging container
glass packaging container is a transparent container made of molten glass by blowing and molding. There are many kinds of glass containers, which are classified as follows:
(1) classification according to the size of the bottle mouth
① the solution of small mouth bottles is to start the oil pump. It is a glass bottle with an inner diameter of the bottle mouth less than 20mm. It is mostly used to pack liquid materials, such as soda, beer, etc
② large mouth bottle. The inner diameter of the bottle mouth must be inserted into a glass bottle with a protective grounding power supply socket between 20-30mm, which is thick and short, such as a cow's milk bottle
③ wide mouth bottle. Also known as can head bottle, the inner diameter of the bottle mouth is greater than 30mm, its neck and shoulder are short, and the bottle shoulder is flat, mostly in the shape of a can or a cup. Because the bottle mouth is large, it is easy to load and discharge. It is mostly used for packaging canned food and viscous materials
(2) classify according to bottle geometry
① round bottles. 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, this "The resin factory that built the R & D and technical service center in Nanjing has a lower strength of seed bottles than round bottles, and it is difficult to manufacture, so it is less used.
③ curved bottles. Although the cross section is circular, it is curved in the height direction. There are two kinds of concave and convex, such as flower bottle type, gourd type, etc., which are novel in form and very popular with users.
④ oval bottles. The cross section is oval, although the capacity is small, but the shape is unique, and users also like it." 。
(3) classify according to different uses
① wine bottles. The output of alcohol is huge, almost all of which are packed in glass bottles, mainly round bottles
② daily packaging glass bottles. It is usually used to pack various small commodities for daily use, such as cosmetics, ink, glue, etc. because there are many kinds of commodities, its bottle shape and seal are also diverse
③ cans. Canned food has many kinds and large output, so it is self-contained. Multi purpose wide mouth bottle, with a capacity of 0.2 ~ 0.5l.
④ medical bottle. This is a glass bottle used for packaging drugs. There are brown ribbed small mouth bottles with a capacity of 10~200ml, infusion bottles with a capacity of 100 ~ 1000ml, ampoules completely sealed, etc
⑤ bottles for chemical reagents. It is used to pack various chemical reagents, with a capacity of 250 ~ 1200ml, and the mouth of the bottle is mostly screwed or ground
(4) according to different colors, there are colorless transparent bottles, white bottles, brown bottles, green bottles and blue bottles
(5) classification according to the shape of the bottleneck
general technical conditions for fire shutter with neck and without steel GB 14102 ⑼ 3 neck bottle, long neck bottle, short neck bottle, thick neck bottle and thin neck bottle, etc