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A glass bottle is a transparent container in which a molten glass frit is blown and molded. There are many types of glass bottles, which are classified as follows:
(1) Classification by bottle size
1、small mouth bottle. It is a glass bottle with an inner diameter of less than 20mm, which is used for packaging liquid materials such as soda, beer and so on.
2、large mouth bottles. The glass bottle with the inner diameter of the bottle mouth is between 20-30mm, and the shape is relatively thick, such as a milk bottle.
3、wide mouth bottles. Also known as canned bottle, the inner diameter of the bottle mouth is more than 30mm, the neck and shoulder are shorter, the shoulder of the bottle is flat, and it is mostly in the shape of a can or a cup. Due to the large size of the bottle, the loading and discharging are relatively easy, and it is mostly used for packaging canned foods and viscous materials.
(2) Classification by bottle geometry
1、round bottle. The bottle has a round cross section and is the most widely used bottle type with high strength.
2、square bottles. The bottle has a square cross section, and the strength of the bottle is lower than that of the round bottle, and it is difficult to manufacture, so it is used less.
3、curved bottles. Although the cross section is circular, it is curved in the height direction, and there are two kinds of concave and convex, such as vase type and hoist type, which are novel in form and are very popular among users.
4、oval bottles. The cross section is elliptical, although the capacity is small, but the shape is unique, and users also like it.
(3) Classification by use
1、bottle for alcohol. The production of alcohol is extremely large, almost all in glass bottles, mainly in round bottles.
2、days for packaging. Glass bottles are commonly used to package a variety of daily small commodities, such as cosmetics, inks, glues, etc. Due to the wide variety of products, the shape and sealing of the bottles are also diverse.
3、cans. There are many kinds of canned foods, and the output is large, so it is self-contained. Multi-purpose jar, the capacity is generally 0.2 ~ 0.5L
4、medical bottles. This is a glass bottle used to package medicines. It has a brown Luokou small mouth bottle with a capacity of 10~200mL, an infusion bottle of 100~1000mL, and a completely sealed ampoule.
5、bottles for chemical reagents. It is used to package various chemical reagents. The capacity is generally 250~1200mL, and the bottle mouth is mostly screw or grinding.
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