Comment on I need to vent about plastic milk jugs

BarneyPiccolo@lemmy.today ⁨1⁩ ⁨week⁩ ago

I always believed that it was to allow for expansion of the product when it freezes. I often freeze similar jugs full of water, to use in coolers, and that big dimple always ends up pushed out after it’s frozen solid. If it hadn’t been for that expansion dimple, the jug would have split.

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