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Michael
Michael, Librarian
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How thick is the wall of a squeezable PET bottle in millimetres

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How thick is the wall of a squeezable PET bottle in millimetres such as the following one:
http://uk.loccitane.com/green-tea-body-hair-shower-gel,83,1,30007,269895.htm
Many thanks.
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Hello, Thank you for using this service. I wish to introduce myself. I am a Research Librarian with 20+ years of experience.

Maintaining an average wall thickness of a PET bottle is a continuing challenge to molders,

A independent study was done to see about pressure that a PET bottle can take. In this study, there is a mention of the average PET wall thickness in MM:

From the study:

Wall thickness on a bottle is normally on the average 0.75 mm (again for Dutch bottles) gives a max. pressure of 13.7 bar / ~200 psi.
(The bottles I tested all held out 14 bar) Wall thickness may vary a lot in a single bottle. I've seen a bottle with wall thickness variation between 1.5 and 0.5 mm in a single bottle.

http://home.zonnet.nl/e_stoffie/designmaxpressure.html



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