(1) classify the bottle according to the size of the bottle mouth. It is a glass bottle with an inner diameter smaller than 20mm. It is used for packaging liquid materials such as soda, alcohol and so on. 2 Big mouth bottle. A glass bottle with an inner diameter between 20-30mm and a thicker shape, such as a milk bottle. 3 jar. Such as can bottle, honey bottle, pickle bottle, candy bottle, etc. The inner diameter of bottle mouth is more than 30mm, its neck and shoulder are shorter, the bottle shoulder is flat, and the bottle is more jar or cup shape. Because the bottle mouth is large, loading and discharging are easy, mostly used for packaging canned food and viscous materials.
(2) 1 circular bottles are classified according to the geometric shape of the bottles. The body section of the bottle is round, which is widely used and has high strength. 2 square bottle. The body section of the bottle is square, this bottle is less powerful and difficult to manufacture, so it is less used. 3 curved bottle. Although the section is round, but in the direction of height is curve, there are two kinds of concave and convex, such as vase, gourd, new form, very popular with users. 4 oval bottles. The section is elliptical, although the capacity is small, but the shape is unique, the user also likes very much.
(3) Classification according to use 1. Alcohol production is extremely large, almost all with glass bottle packaging, mainly round bottles. Packaging glass bottles for daily use. It is usually used to pack all kinds of daily commodities, such as cosmetics, ink, glue and so on. Because there are many kinds of goods, its bottle shape and seal are also various. 3 can bottle. Canned food varieties, large output, so self-made. Multipurpose jar, usually 150 MLL, 1000 ML. Medicine bottle. This is a glass bottle for packing medicine, a brown rogule bottle with capacity of 10~200mL, an infusion bottle for 100~1000mL, a completely sealed ampoule, etc. Chemical reagent bottles. For packaging of various chemical reagents, the capacity is generally 250 ~ 1 200 mL, bottle mouth is mostly snail mouth or grinding mouth.
(4) there are colorless transparent bottles, white bottles, brown bottles, green bottles and blue bottles. (5) there are neck bottle, no neck bottle, long neck bottle, short neck bottle, coarse neck bottle and thin neck bottle according to the bottleneck shape. The functional utility of flat glass packaging may lead to the loss of its value and defects if it is not made in accordance with the normal process.