Irhd Convert Shore A Irhd Convert Shore A Hardness conversion - OnlineConversion Forums Conversion of Shore A to IRDH [Archive] - OnlineConversion Forums Hardness Testing, The Test Methodology Guide, Part 2 A chart is then used to convert the averaged diameter measurements to a ... to as the Shore® method after the company that originally developed the test. ... The use of IRHD, or International Rubber Hardness Degrees, has increased ...www.hardnesstesters... read more