Advantages, Disadvantages And Types Of Glass Bottles

Glass bottles are the main packaging containers for food, medicine, and chemical industries. They have good chemical stability; easy to seal, good air tightness, transparent, and can observe the situation of the contents from the outside; good storage performance; smooth surface, easy to disinfect and sterilize; beautiful shape, rich and colorful decoration; certain mechanical Strength, able to withstand the pressure inside the bottle and the external force during transportation; the raw materials are widely distributed, and the price is low. Its disadvantages are large mass (large ratio of mass to capacity), high brittleness, and fragility. However, with the new technology of thin wall, light weight and physical and chemical toughening, these shortcomings have been significantly improved, so the output of glass bottles can increase year by year under the fierce competition with plastics, iron cans, and iron cans.

There are a wide variety of glass bottles, from small bottles with a capacity of 1ML to large bottles of more than ten liters, from round, square, to special-shaped bottles with handles, from colorless and transparent amber, green, blue, black shading bottles and opaque bottles. The opaque glass bottles, etc., too numerous to mention. As far as the manufacturing process is concerned, glass bottles are generally divided into two categories: molded bottles (using model bottles) and control bottles (using glass control bottles). Molded bottles are divided into two types: large-mouth bottles (the diameter of the bottle mouth is above 30MM) and small-mouth bottles. The former is used to hold powder, block and paste items, and the latter is used to hold liquid. According to the bottle mouth form, it can be divided into cork bottle mouth, threaded bottle mouth, crown cap bottle mouth, rolling bottle mouth frosted bottle mouth and so on. According to the use situation, it is divided into "one-time bottle" which is used once and then discarded, and "recycled bottle" which is used for multiple turnovers. According to the classification of the contents, it can be divided into wine bottles, beverage bottles, oil bottles, canned bottles, acid bottles, medicine bottles, reagent bottles, infusion bottles, cosmetic bottles, etc.