Rubber, vulcanized or thermoplastic -
Determination of hardness -
Part 9: Calibration and verification of
hardness testers
(ISO 48-9:2018, IDT)
This document specifies procedures for the calibration and verification of durometers of types A, D, AO
and AM (see ISO 48-4), IRHD pocket meters (see ISO 48-5), IRHD dead-load instruments (see ISO 48-2)
and dead-load instruments using the very low rubber hardness scale (see ISO 48-3).
