Significance and Use
The test methods are intended to be rapid empirical tests which have been found to be useful in the relative comparison of materials having the same nominal thickness.
Note 2—When the plastic material contains plasticizer, loss from the plastic is assumed to be primarily plasticizer. The effect of moisture is considered to be negligible.
Correlation with ultimate application for various plastic materials shall be determined by the user. To obtain accelerated tests that more nearly approach actual service conditions, refer to Specification .
1.1 These test methods cover the determination of volatile loss from a plastic material under defined conditions of time and temperature, using activated carbon as the immersion medium.
1.2 Two test methods are covered as follows:
1.2.1 Test Method A, Direct Contact with Activated Carbon—In this test method the plastic material is in direct contact with the carbon. This test method is particularly useful in the rapid comparison of a large number of plastic specimens.
1.2.2 Test Method B, Wire Cage—This test method prescribes the use of a wire cage, which prevents direct contact between the plastic material and the carbon. By eliminating the direct contact, the migration of the volatile components to the surrounding carbon is minimized and loss by volatilization is more specifically measured.
1.3 The values stated in SI units are to be regarded as the standard.
1.4 This standard does not purport to address all of the safety concerns, 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.
Note 1—This standard is similar in content (not technically equivalent) to ISO 176.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D618 Practice for Conditioning Plastics for Testing
D883 Terminology Relating to Plastics
D1600 Terminology for Abbreviated Terms Relating to Plastics
E197 Specification for Enclosures and Servicing Units for Tests Above and Below Room Temperature
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ISO176 Determination of the Loss of Plasticizers from Plastics by the Activated Carbon Method Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
plasticizer loss; vinyl; volatile loss; volatility; weight loss; Activated carbon methods; Methanol extract; Plasticizers; Plastics; Poly(vinyl chloride)(PVC) resins; Volatile loss ;
ICS Number Code 83.080.01 (Plastics in general)
ASTM International is a member of CrossRef.
Citing ASTM Standards
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