ASTM D746-04

Standard Test Method for Brittleness Temperature of Plastics and Elastomers by Impact

STANDARD published on 1.5.2004

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The information about the standard:

Designation standards: ASTM D746-04
Note: WITHDRAWN
Publication date standards: 1.5.2004
SKU: NS-38505
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM D746-04 :

Keywords:

brittle failure, brittleness temperature, elastomer, impact plastics

Additional information

1. Scope

1.1 This test method covers the determination of the temperature at which plastics and elastomers exhibit brittle failure under specified impact conditions. Two routine inspection and acceptance procedures are also provided.

Note 1

When testing rubbers for impact brittleness use Test Methods D 2137.

1.2 The values stated in SI units are to be regarded as the standard.

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 2

This test method and ISO 974-2000 (E) are technically equivalent when using the Type B fixture and the Type III specimen, however, the minimum number of specimens that are required to be tested is significantly different when using this test method. The ISO method requires that a minimum of 100 specimens be tested.

2. Referenced Documents

E1137/E1137M-08(2020)	Standard Specification for Industrial Platinum Resistance Thermometers
ISO?974	Plastics--Determination of the Brittleness Temperature by Impact ISO Standards Handbook 21, Vol 1. ISO Standards are available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.
	Detailed Drawing of a Typical Clamp A detailed drawing of a typical clamp may be obtained from ASTM Headquarters. Order Adjunct : .
D832-07(2024)	Standard Practice for Rubber Conditioning For Low Temperature Testing
D883-26	Standard Terminology Relating to Plastics
D1790-21	Standard Test Method for Brittleness Temperature of Plastic Sheeting by Impact
D2137-11(2025)	Standard Test Methods for Rubber Property—Brittleness Point of Flexible Polymers and Coated Fabrics
E1-14(2025)	Standard Specification for ASTM Liquid-in-Glass Thermometers
E77-14(2021)	Standard Test Method for Inspection and Verification of Thermometers
D618-21	Standard Practice for Conditioning Plastics for Testing
E608/E608M-24	Standard Specification for Mineral-Insulated, Metal-Sheathed Base Metal Thermocouples

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