By using patented one-piece snap-on hinged caps from Stropol, manufacturers can use a standard preform to blow a custom bottle in-house, right next to the filling machine, saving on material costs, storage space and internal logistics. On the packaging line the cap simply snaps onto the standard neck-form, making an excellent leak-proof seal. The range currently includes six different hinged caps weighing between 5.5 and 9.5 grams. Five of the six caps are interchangeable on the same bottle profile. Two-color bi-injected caps are also available.
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