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ISO 2556:1974

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Plastics Determination of the gas transmission rate of films and thin sheets under atmospheric pressure Manometric method
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Withdrawn date

02-21-2022

Language(s)

English, French

Published date

06-01-1974

Specification of the methodand of two types of suitable test apparatus. The plastic test specimen separates two chambers, the one contains the test gas at atmospheric pressure, the other of known initial volume has the air pumped out until the pressure is practically zero. The quantity of gas which passes through the specimen from one chamber to the other is determined as a function of time by measuring the increase in pressure occuring in the second chamber by means of a manometer.

DocumentType
Standard
Pages
6
ProductNote
THIS STANDARD ALSO REFERS TO ISO/R 291
PublisherName
International Organization for Standardization
Status
Withdrawn

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