日期:2013-03-12 11:20
s/strain characteristic differs from the indentation hardness characteristics (as determined in accordance with ISO 2439), which are known to be influenced by the thickness and the tensile properties of the flexible cellular material under test, by the shape of the compression plate and by the shape and size of the test piece.
ISO 3386/2 specifies a method for high-density materials and differs from part 1 in the following ways:
it is mainly concerned with materials of density above 250 kg/m3