Bottle caps: can be divided into single-piece caps and double-piece caps;
Single-piece cap: There is no gasket inside the bottle cap. The entire cap is made of the same material and relies on folding edges or inner plugs for sealing.
Bottle caps: can be divided into single-piece caps and double-piece caps;
Single-piece cap: There is no gasket inside the bottle cap. The entire cap is made of the same material and relies on folding edges or inner plugs for sealing.
Classification of plastic bottle caps:
According to the way of combination with the container, plastic bottle caps can be simply divided into the following three categories:
Plastic bottle caps are something we often see in our daily lives. Mineral water bottle caps are made of plastic, and cooking oil bottle caps are also plastic. The caps of many liquid bottles are made of plastic. They are made of this material. The bottle caps have very good leak-proof performance and can effectively prevent the liquid inside the bottle from being contaminated by the outside world. So do you know what the performance characteristics of plastic bottle caps are? In addition, do you know what classifications they have?
Compression molded bottle caps have no material opening marks, look more beautiful, have low processing temperatures, small shrinkage, and more accurate bottle cap sizes.
Then stick the tape to the cap of the can bottle and stick it counterclockwise (be careful not to stick the glass bottle together).
Use hot water to scald the bottle cap. Because can bottle caps are generally made of iron, they will expand when heated.