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ASTM F 1957 : 1999

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Composite Foam Hardness-Durometer Hardness
Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

10-02-1999

CONTAINED IN VOL. 15.07, 2017 Defines a type of composite foam hardness measurement device known as durometer: Type CF.

1.1 This test method describes a type of composite foam hardness measurement device known as durometer: Type CF. The procedure for determining indentation hardness of substances comprised of two or more elastomeric materials, one of which is a foam or foam like material. These are classified as composite foam structures. The composite foam product may have an armature made of a material suitable for adding structural integrity including but not limited to metal, plastic, or wood. This construction is typical for lapbar restraints, seating, and other restraint devices, as well as some show elements.

1.2 This test method is not equivalent to other indentation hardness methods and instrument types, specifically those described in Test Methods D1415 and D2240.

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only. Many of the stated dimensions in SI are direct conversions from the U.S. customary system to accommodate the instrumentation, practices, and procedures that existed prior to the Metric Conversion Act of 1975.

1.4 All materials, instruments, or equipment used for the determination of mass or dimension shall have traceability to the National Institute for Standards and Technology (NIST) or other internationally recognized organizations.

1.5 This test method is not a safety standard as it pertains to ride legislation. The use of this test method is optional based upon an agreement between customers and suppliers of foam products.

1.6 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.

Committee
F 24
DocumentType
Test Method
Pages
6
ProductNote
Reconfirmed 1999
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

ASTM D 2240 : 2015 : EDT 1 Standard Test Method for Rubber Property—Durometer Hardness
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ASTM D 618 : 2013 : REDLINE Standard Practice for Conditioning Plastics for Testing
ASTM D 1349 : 2014 : REDLINE Standard Practice for Rubber—Standard Conditions for Testing
ASTM D 4483 : 2014-02 PRACTICE FOR EVALUATING PRECISION FOR TEST METHOD STANDARDS IN THE RUBBER AND CARBON BLACK MANUFACTURING INDUSTRIES
ASTM D 374 : 1999 Standard Test Methods for Thickness of Solid Electrical Insulation

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