Glass is an ancient building material that has been around since ancient Egypt.With the common development of human society, the glass industry has created a variety of glass with unique functions, making the glass family continue to thrive, such as bulletproof glass, photoelectric glass, vacuum glass, etc., all of which are playing an irreplaceable role in their respective fields.We will introduce the common types of glass jars and explain the advantages of tea made from glass.
What are the common types of glass bottles and jars
Classification of glass bottles and jars, there are a variety of classification methods.
According to the shape, there are general bottles, bottles with handles and tubular bottles, etc., holding capacity 1ml ~ 25L.
According to the bottom shape, there are round, oval, square, rectangular, flat and other bottles and cans, in the majority of round.
According to the size of the bottle mouth, there are wide mouth, small mouth, spraying mouth and other bottles and cans.The bottle mouth diameter is greater than 30mm, no shoulder or less shoulder is called wide mouth bottle, often used for holding semi-fluid and powder or block solid articles; The inside diameter of less than 30mm is called small mouth bottle, which is often used to hold various fluid items.
According to the form of bottle mouth and bottle cap, there are continuous screw bottle mouth, cork bottle mouth, pour bottle mouth, crown cap bottle mouth, rolling cap bottle mouth, plastic cap piece bottle mouth, spray bottle mouth, press - screw open bottle mouth, side seal - pry open bottle mouth, glass stopper frosted bottle mouth, bottle mouth with handle and tube bottle mouth and so on. Bottle mouth dimensions and tolerances are standardized.
According to the use of bottles and cans, there is a use of bottles and cans and recycling bottles and cans. A bottle or jar used once is discarded; Recycling bottles and cans can be recycled many times for recycling use.
According to the molding method, there are molded bottles and control bottles.The molded bottle is formed directly in the mold by liquid glass; The tube is made of liquid glass and then processed into glass tubes.
According to the color of the bottle, there are colorless, colored and opaque color bottles and cans. Most glass jars are clear and colorless, which can make the contents maintain a normal image. Next came green and brown. The green ones usually contain drinks; The brown ones are used for medicine or beer. They absorb ultraviolet light, which helps protect the contents. The United States stipulates that the average wall thickness of the colored glass jar should be such that the transmittance of wavelengths from 290 nm to 450nm should be less than 10%. A small number of cosmetics, cream and ointments, and other items, with opacified glass jars.