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About This Item
1.1 This classification system covers thermoplastic polyurethane materials suitable for injection molding, extrusion, compression molding, melt processing, or other applicable methods. Recycled thermoplastic polyurethanes meeting the classification requirements may be used interchangeably with virgin resin.
1.2 The properties included in this classification system are those required to identify the compositions covered. There may be other requirements necessary to identify particular characteristics important to specialized applications, which may be designated by using the suffixes as given in Section 5.
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 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.Note 1-There are no ISO standards covering the primary subject matter of this ASTM classification system.