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ASTM International - ASTM D7409-07

Standard Test Method for Carboxyl End Group Content of Polyethylene Terephthalate (PET) Yarns

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Organization: ASTM International
Publication Date: 21 January 2007
Status: inactive
Page Count: 3
ICS Code (Yarns): 59.080.20
significance And Use:

This test method can be used for manufacturing quality control or manufacturing quality assurance purposes to determine the CEG concentration of PET yarns used in either geogrids or... View More

scope:

1.1 This test procedure is based significantly on the GRI GG7 test procedure, Carboxyl End Group Content of Polyethylene Terephthalate (PET) Yarns.

1.2    This test method is used to determine the concentration, in mmol/Kg, of carboxyl end groups (CEG) found in poly(ethylene terephthalate) (PET) yarns by titration.

1.3 This test is applicable to geogrid yarns that are made from PET resin.

Note 1-This test is also applicable to high strength geotextile yarns that are made from PET and are used in reinforcement applications.

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.

Document History

December 1, 2020
Standard Test Method for Carboxyl End Group Content of Polyethylene Terephthalate (PET) Yarns
1.1 This test procedure is based significantly on the GRI GG7 test procedure, Carboxyl End Group Content of Polyethylene Terephthalate (PET) Yarns. 1.2 This test method is used to determine the...
February 15, 2015
Standard Test Method for Carboxyl End Group Content of Polyethylene Terephthalate (PET) Yarns
1.1 This test procedure is based significantly on the GRI GG7 test procedure, Carboxyl End Group Content of Polyethylene Terephthalate (PET) Yarns. 1.2  This test method is used to determine the...
December 1, 2007
Standard Test Method for Carboxyl End Group Content of Polyethylene Terephthalate (PET) Yarns
1.1 This test procedure is based significantly on the GRI GG7 test procedure, Carboxyl End Group Content of Polyethylene Terephthalate (PET) Yarns. 1.2    This test method is used to determine the...
ASTM D7409-07
January 21, 2007
Standard Test Method for Carboxyl End Group Content of Polyethylene Terephthalate (PET) Yarns
1.1 This test procedure is based significantly on the GRI GG7 test procedure, Carboxyl End Group Content of Polyethylene Terephthalate (PET) Yarns. 1.2    This test method is used to determine the...
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