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1.1 This test method covers the determination of the stiffness characteristics of plastics over a wide temperature range by direct measurement of the apparent modulus of rigidity.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 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 test method and ISO 458-1 and ISO 458-2 address the same subject matter, but differ in technical content.
Note 1—This test method and ISO 458-1 and ISO 458-2 address the same subject matter, but differ in technical content.
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
D638 Test Method for Tensile Properties of Plastics
D747 Test Method for Apparent Bending Modulus of Plastics by Means of a Cantilever Beam
D883 Terminology Relating to Plastics
D1053 Test Methods for Rubber Property--Stiffening at Low Temperatures: Flexible Polymers and Coated Fabrics
D4000 Classification System for Specifying Plastic Materials
D5947 Test Methods for Physical Dimensions of Solid Plastics Specimens
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
ISO StandardsISO458-1 PlasticsDetermination of Stiffness in Torsion of Flexible Materials, Part 1: General Method ISO458-2
ICS Number Code 83.080.01 (Plast in general)
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ASTM D1043-09, Standard Test Method for Stiffness Properties of Plastics as a Function of Temperature by Means of a Torsion Test, ASTM International, West Conshohocken, PA, 2009, www.astm.orgBack to Top