Threadings for bottles

Beverage market mainly uses two standard neck petform: BPF (British Plastics Federation) and PCO (Plastic Closures Only).
Standard BPF is most prevalent in northern Europe, including in the eastern part; PCO - in the United States. British Plastics Federation - an organization which is responsible for the development and approval of certain standards relating to plastic products, including packaging. Thus, in Europe the standard BPF was more common, rather than PCO. Both of these standards have an important function - gas-retaining. From the standpoint of gas-retaining both the standard level is almost identical. But the advantage of PCO standard is that it is easier to BPF. PET saving during the transition to a BPF PCO is from 1 to 2 grams.

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