Shore Hardness: Test Results

Below you can find the description of the test results produced by Hardness Check software




 
Shore Hardness 
The calculation returns the SHORE Hardness in conformity with ISO 48-4 standard. The Hardness is obtained by measuring the indentation of the indentor after the application of the minor force for 5 seconds and the application of the main force for 30 seconds.

REFERENCE STANDARD: ISO 48-4 / ASTM D 2240

UNIT: IRHD points
RESOLUTION: 0.01 IRHD

CALCULATION PARAMETERS:
Test Time: t (the software permits to set even non standard test times)

Angle Coefficient of Hardness Regression line  
The calculation returns the angle of the Regression Line of the Hardness-Vs-Time Curve plot in Logarithmic axes.
The angle coefficient provides usefull information about the visco-elastic behaviour of the sample during the test. Measures performed on the same product can be used to compare the curing level of different samples or technical parts.
The result is obtained automatically during the standard execution of the hardness test.

UNIT: Shore/sec
RESOLUTION: 0.01 Shore/sec

Maximum Hardness 
The calculation returns the Maximum Shore reading at the beginning of the test time.
The Initial hardness has normally a higher value in comparison with the hardness after a set test time and

The result is obtained automatically during the standard execution of the hardness test.

UNIT: Shore
RESOLUTION: 0.01 Shore

REFERENCE STANDARD: ASTM D 2240

 
 
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