Neck Sealing, Injection Molding (Machine)

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Kenplas Forum ==> Injection Molding (Machine) ==> Neck Sealing

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No, internal diameter sealing is much better than flat surface sealing.

2007-11-20 12:23:24 By Kenplas

For a plastic bottle, using any neck finish, does the top of the bottle neck need to be "crowned", or convex for better sealing, or does a flat surface seal just as well against a mating screw cap ?

2006-4-5 1:44:39 By Robert Kane


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