UNI EN ISO 2439 : 2009
Current
The latest, up-to-date edition.
FLEXIBLE CELLULAR POLYMERIC MATERIALS - DETERMINATION OF HARDNESS (INDENTATION TECHNIQUE)
23-04-2009
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Test pieces
6.1 Shape and dimensions
6.2 Samples showing orientation
6.3 Conditioning
7 Procedure
7.1 General
7.2 Preliminary indentation for Methods A, B and C
7.3 Method A - Determination of the 40 %/30 s indentation
hardness index
7.4 Method B - Determination of the 25%-40%-65%/30 s
indentation hardness characteristics
7.5 Method C - Determination of the 40% indentation
hardness check
7.6 Method D - Determination of the 25%/20 s low
indentation hardness index
7.7 Method E - Determination of the compressive deflection
coefficient and hysteresis loss rate
8 Repeat tests
9 Test report
Annex A (informative) Test method parameters and typical
graphs
Annex B (informative) Precision of Method E
Bibliography
Describes four methods for the determination of indentation hardness and one method for determination of compressive deflection coefficient and hysteresis loss rate of flexible cellular materials.
| DevelopmentNote |
Supersedes UNI 6353 (06/2002)
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 2439:2008 | Identical |
| NBN EN ISO 2439 : 2009 | Identical |
| NEN EN ISO 2439 : 2009 | Identical |
| NS EN ISO 2439 : 2ED 2008 | Identical |
| I.S. EN ISO 2439:2009 | Identical |
| SN EN ISO 2439 : 2009 | Identical |
| UNE-EN ISO 2439:2009 | Identical |
| BS EN ISO 2439:2008 | Identical |
| EN ISO 2439:2008 | Identical |
| NF EN ISO 2439 : 2009 | Identical |
| DIN EN ISO 2439:2009-05 | Identical |
| UNI 11409 : 2011 | FLEXIBLE CELLULAR POLYMERIC MATERIALS - DETERMINATION OF RESISTANCE TO STATIC FATIGUE |
| ISO 23529:2016 | Rubber General procedures for preparing and conditioning test pieces for physical test methods |
| ISO 1382:2012 | Rubber Vocabulary |
| ISO 7500-1:2015 | Metallic materials Calibration and verification of static uniaxial testing machines Part 1: Tension/compression testing machines Calibration and verification of the force-measuring system |
| ISO/TR 9272:2005 | Rubber and rubber products Determination of precision for test method standards |
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