Standard: GME 60256

DETERMINATION OF BALL-INDENTATION HARDNESS OF ELASTOMERS (IRHD) - MICRO HARDNESS TEST

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Scope:

The object of this test method is the accurate determination of the hardness of elastomers, between 35 and 98 International Rubber Hardness Degrees (IRHD) by a ball indentation method. It permits accurate and reproducible hardness determinations to be made on test pieces of small dimensions, e.g. lip seals or O- rings.

Three methods of test piece preparation are described in clause 3 which ensure (applicable to method A according to clause 4.1.3.1 or to method C according to clause 4.1.3.3) reproducibility of the measured hardness value.

Organization: General Motors Europe
Document Number: gme 60256
Publish Date: 2009-07-08
Page Count: 23
Change Type: IN4D
Available Languages: DE,EN
DOD Adopted: NO
ANSI Approved: NO
Most Recent Revision: YES
Current Version: YES
Status: Inactive

Document History

Document # Change Type Update Date Revision Status
GME 60256 Change Type: Update Date: 1984-01-31 Revision: 84 Status: INAC

This Standard References

Showing 8 of 8.

DIN 50011
din 7184
ISO r 1101

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