Glass bottle material performance: The thermal expansion coefficient α specified in the new standard, 3.3 borosilicate glass and 5.0 borosilicate glass, are completely consistent with international standards. Low borosilicate glass is unique to China, and there is no such material in international standards. Soda lime glass ISO stipulates α= (8～10) ×10 (- 6) K(- 1),…
The characteristics of the medicinal glass bottle standard The pharmaceutical glass bottle standard is an important branch of the pharmaceutical packaging material standard system. Since medicinal glass bottles are in direct contact with drugs, and some have to store drugs for a longer period of time, the quality of medicinal glass bottles is directly related…
There are many varieties 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 and handle bottles, from colorless and transparent amber, green, blue, black shading bottles and opaque The opalescent glass bottles, etc., are too numerous to mention. In terms…
The advantages of glass bottle in the field of beverage packaging Glass packaging materials and containers have many advantages: 1. The glass material has good barrier properties, which can prevent oxygen and other gases from attacking the contents, and at the same time prevent the volatile components of the contents from volatilizing into the atmosphere;…
Application of glass bottles in packaging industry The main characteristics of glass packaging containers are: non-toxic and tasteless; transparent, beautiful, good barrier properties, airtight, abundant and universal raw materials, low price, and can be used in multiple cycles. And it has the advantages of heat resistance, pressure resistance, and cleaning resistance. It can be sterilized…
Glass bottle spraying process The spraying production line of glass bottles generally consists of a spray booth, a hanging chain and an oven. There is also the front-end water treatment for glass bottles, and special attention to the problem of sewage discharge for glass bottles. As for the spraying quality of the glass bottle, it…
Recycling of glass bottles There have been glass bottles in our country since ancient times. In the past, academic circles believed that glassware was very rare in ancient times, so it should only be owned and used by a few ruling classes. However, recent research suggests that ancient glassware is not difficult to produce and…
Glass bottle classification: Classification by bottle size 1. Small mouth bottle. 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. Jars. Glass bottles with an inner diameter of 20-30mm are relatively thick and short, such as…
Glass bottle classification by purposes: 1. Classification according to different purposes Bottles for alcohol. Almost all wines are packaged in glass bottles, mainly round bottles. Daily packaging glass bottles. It is usually used to pack all kinds of small daily commodities, such as cosmetics, ink, glue, etc. Because there are many kinds of commodities, the…
Glassware production process Pre-processing of raw materials. Crush the bulk raw materials (quartz sand, soda ash, limestone, feldspar, etc.) to dry the wet raw materials, and remove the iron from the iron-containing raw materials to ensure the quality of the glass. Batch preparation. Melting. The glass batch material is heated at high temperature (1550~1600 degrees)…
