ASTM D3985 - 17

    Стандартный метод испытания кислородопроницаемости пластиковой пленки и листового материала с использованием кулонометрического датчика

    Active Standard ASTM D3985 Developed by Subcommittee: F02.10

    Book of Standards Volume: 15.10

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    Significance and Use

    5.1 The OTR is an important determinant of the packaging protection afforded by barrier materials. It is not, however, the sole determinant, and additional tests, based on experience, must be used to correlate packaging performance with OTR. It is suitable as a referee method of testing, provided that the purchaser and the seller have agreed on sampling procedures, standardization procedures, test conditions, and acceptance criteria.

    5.2 Limited statistical data on correlations with Test Method D1434 methods are available4; however, the oxygen transmission rate of a standard reference material (see 12.1) as determined manometrically by NIST, is in good agreement with the values obtained in the coulometric interlaboratory test using material from the same manufacturing lot. Thus, this test method may be used as a referee method.