Astm D 3985 – 02e1 pdf free download

Standard Test Method for
Oxygen Gas Transmission Rate Through Plastic Film and
Sheeting Using a Coulometric Sensor1

This standard is issued under the fixed designation D 3985; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of the last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

1. Scope

1.1 This test method covers a procedure for determination
of the steady-state rate of transmission of oxygen gas through
plastics in the form of film, sheeting, laminates, coextrusions,
or plastic-coated papers or fabrics. It provides for the determination of (1) oxygen gas transmission rate (O2GTR), (2) the
permeance of the film to oxygen gas (PO2), and (3) oxygen
permeability coefficient (P’O2) in the case of homogeneous

1.2 This standard does not purport to address all of the
safety problems, if any, associated with its use. It is the
responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

1.3 This test method does not purport to be the only method
for the measurement of O2GTR. There may be other methods of
O2GTR determination uses other oxygen sensors and

2. Referenced Documents

2.1 ASTM Standards: 2
D 1434 Test Method for Determining Gas Permeability
Characteristics of Plastic Film and Sheeting
D 1898 Practice for Sampling of Plastics
F 1927 Test Method for Determination of Oxygen Gas
Transmission Rate, Permeability, and Permeance at Controlled Relative Humidity Through Barrier Materials Using
a Coulometric Detector.

3. Terminology

3.1 Definitions: :

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