Plastic closures are used for sealing bottles of liquid as well as carbonated soft drinks. In the case of the latter, that is, drinks that have a lot of fizzes owing to carbon dioxide, it is very necessary for the bottles to have a closure or a cap that would retain the fizz ( i,e, the gas inside ) for a reasonable number of days.
In the case of plastic closures, used for other liquids, these closures give a very elegant look and because of the good manufacturing process are completely tamper-proof, but easy to open.
The closure that we produce is a two-piece closure, as there is a TPE ( Thermo Plastic Elastomer) separate liner, with a “lip” profile that exactly matches the bottle lip. The process of manufacturing is by first compression molding (it adds more strength than other processes ) and then lining. The other aspect is our process of manufacturing this two-piece closure ensures gas retention for soft/carbonated beverages.