DIN ISO 48:2015 pdf free.Rubber, vulcanized or thermoplastic -Determination of hardness (hardness between 10 IRHD and 100 IRHD> . 5 Apparatus 5.1 General Calibration and verification of the apparatus shall be performed in accordance with ISO 18898.5.2 Methods N, H, L and M The essential parts of the apparatus are as specified in 5.2.1 to 5.2.6, the appropriate dimensions and...