UNI EN ISO 2439 : 2009
Current
The latest, up-to-date edition.
FLEXIBLE CELLULAR POLYMERIC MATERIALS - DETERMINATION OF HARDNESS (INDENTATION TECHNIQUE)
04-23-2009
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
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