This standard specifies the test conditions, instruments and test procedures for measuring the apparent hardness of rubber rollers using the International Rubber Hardness Tester. This standard is applicable to the apparent hardness test of rubber (including thermoplastic elastomer) rollers, expressed in terms of the International Rubber Hardness (IRHD) value.
HG/T 2450-1999 history
1999HG/T 2450-1999 Rubber-covered rollers-Determination of apparent hardness:IRHD method
1993HG/T 2450-1993 Determination of apparent hardness of rubber rollers International rubber durometer method