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ASTM-D1056:2007 Edition(Redline)

ASTM-D1056:2007 Edition(Redline)

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D1056-07 Standard Specification for Flexible Cellular Materials—Sponge or Expanded Rubber (Redline)

Published By Publication Date Number of Pages
ASTM 2007 19
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Abstract

This specification covers flexible cellular rubber products known as sponge rubber and expanded rubber, but does not apply to latex foam rubber or ebonite cellular rubber. The base material for an open/closed cellular product may be made of synthetic, natural, or reclaimed rubber, or a mixture, and may contain other polymers or chemicals, or both, which may be modified by organic or inorganic additives. The cellular rubber shall be categorized by types, classes, suffixes, and grades: Types 1 and 2; Classes A, B, C, and D; Grades 0, 1, 2, 3, 4, and 5. The various grades of cellular rubber shall conform to the requirements as to physical properties specified. The following test methods shall be performed: accelerated aging tests; compression-deflection tests; oil-immersion test (open-cell sponge); fluid immersion tests (closed cell); water absorption test; density tests; and low-temperature flex test.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification covers flexible cellular rubber products known as sponge rubber and expanded rubber, but does not apply to latex foam rubber or ebonite cellular rubber. The base material for an open/closed cellular product may be made of synthetic, natural, or reclaimed rubber, or a mixture, and may contain other polymers or chemicals, or both, which may be modified by organic or inorganic additives. These elastomeric materials have properties similar to those of vulcanized rubber, namely (1) the ability to be converted from a thermoplastic to a thermosetting state by crosslinking (vulcanization) or (2) the substantial recovery of their original shapes when strained or elongated, or both.

1.2 Extruded or molded shapes of sizes too small for cutting standard test specimens are difficult to classify or test by these methods and will usually require special testing procedures.

1.3 In case of conflict between the provisions of this general specification and those of detailed specifications or test methods for a particular product, the latter shall take precedence. Reference to the test methods in this specification should specifically state the particular test or tests desired.

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

1.5 The following safety hazards caveat pertains only to the test methods portions of this specification: 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 1ā€”ISO 6916-1 is similar to this specification.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D395 Test Methods for Rubber Property–Compression Set D412 Test Methods for Vulcanized Rubber and Thermoplastic Elastomers–Tension D471 Test Method for Rubber Property–Effect of Liquids D573 Test Method for Rubber–Deterioration in an Air Oven D575 Test Methods for Rubber Properties in Compression D624 Test Method for Tear Strength of Conventional Vulcanized Rubber and Thermoplastic Elastomers D832 Practice for Rubber Conditioning For Low Temperature Testing D883 Terminology Relating to Plastics D1171 Test Method for Rubber Deterioration–Surface Ozone Cracking Outdoors or Chamber (Triangular Specimens) D3182 Practice for Rubber–Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets D3183 Practice for Rubber–Preparation of Pieces for Test Purposes from Products

ISO Standard

ISO6916-1 Flexible Cellular Polymeric Materials: Sponge and Expanded Cellular Rubber Products–Specification Part 1 Sheet

Keywords

expanded rubber; flexible cellular; sponge;

ICS Code

ICS Number Code 83.060 (Rubber); 83.100 (Cellular materials)

DOI: 10.1520/D1056-07 ASTM International is a member of CrossRef.

Citing ASTM Standards

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