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Cap shrinks in freezer

When a bottle is kept continuously in the freezer, the plastic part on the cap shrinks more than aluminium. This has to do with the coldness.
The plastic part has a toothed edge, which is pressed on the cap of aluminium. When the plastic has hardened and shrunken, a skidding could arise.

Normal temperature in a freezer is around Fahrenheit -0,4 /Celsius -18. Already at this temperature there might be a problem so either warm the cap with your hand or store the bottle differently.

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