ASTM D1056-20
Standard Specification for Flexible Cellular Materials-Sponge or Expanded Rubber

Standard No.

ASTM D1056-20

Release Date

2020

Published By

American Society for Testing and Materials (ASTM)

Latest

ASTM D1056-20

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 inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. NOTE 1—ISO 6916-1 is similar to this specification. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM D1056-20 Referenced Document

• ASTM D1171 Standard Test Method for Rubber Deteriorationx2014;Surface Ozone Cracking Outdoors or Chamber (Triangular Specimens)
• ASTM D2632 Standard Test Method for Rubber Property8212;Resilience by Vertical Rebound
• ASTM D3182 Standard Practice for Rubber-Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets
• ASTM D3183 Standard Practice for Rubber-Preparation of Pieces for Test Purposes from Products
• ASTM D395 Standard Test Methods for Rubber Property-Compression Set
• ASTM D412 Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers8212;Tension
• ASTM D471 Standard Test Method for Rubber Property-Effect of Liquids
• ASTM D5132 Standard Test Method for Horizontal Burning Rate of Flexible Cellular and Rubber Materials Used in Occupant Compartments of Motor Vehicles
• ASTM D573 Standard Test Method for Rubber-Deterioration in an Air Oven
• ASTM D575 Standard Test Methods for Rubber Properties in Compression
• ASTM D624 Standard Test Method for Tear Strength of Conventional Vulcanized Rubber and Thermoplastic Elastomers
• ASTM D832 Standard Practice for Rubber Conditioning For Low-Temperature Testing
• ASTM D883 Standard Terminology Relating to Plastics
• ASTM E2935 Standard Practice for Evaluating Equivalence of Two Testing Processes
• ASTM E456 Standard Terminology for Relating to Quality and Statistics
• ISO 6916-1 Flexible cellular polymeric materials - Sponge and expanded cellular rubber products; Specification - Part 1: Sheeting; Technical Corrigendum 1

ASTM D1056-20 history

• 2020 ASTM D1056-20 Standard Specification for Flexible Cellular Materials-Sponge or Expanded Rubber
• 2014 ASTM D1056-14 Standard Specification for Flexible Cellular Materialsmdash;Sponge or Expanded Rubber
• 2007 ASTM D1056-07 Standard Specification for Flexible Cellular Materials8212;Sponge or Expanded Rubber
• 2000 ASTM D1056-00 Standard Specification for Flexible Cellular Materials-Sponge or Expanded Rubber
• 1968 ASTM D1056-68e1 Standard Specification for Sponge and Expanded Cellular Rubber Products