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Shore® IRHD Testing Systems: Overview
Shore IRHD Testing Systems Shore® Durometers
The IRHD method is superior to most standard durometer indentation hardness testing methods. The material hardness is determined by the difference in the penetration depth of a spherical indentor under two conditions, the application of a small initial force and the application of a larger terminal force.
These determinations are performed at specific intervals and dwell, the differential is converted to a hardness value, in compliance with ASTM D1415 “Standard Test Method for Rubber Property — International Hardness” (2.5 mm indentor), as well as ISO 48, Type N.
It is highly recommended that when durometer hardness testing is being employed as a critical input to production control or QA/QC criteria that the IRHD testing methodology be given serious consideration.
Shore® offers two very high quality and relatively inexpensive models of IRHD Testing Systems.
IRHD Model 903/2000
IRHD Model 770/2000
IRHD Model S1
Shore® IRHD Testing Systems Model 903/2000 Shore IRHD Testing Systems Model 770/2000 Shore IRHD Testing Systems Model S1
The Model 903/2000 features the DuroTronic™ 2000 IRHD digital transducer coupled with the specially designed Model 903 automatic operating stand. The Model 770/2000 also employs the DuroTronic™ 2000 IRHD digital transducer and a less expensive, yet high quality and precise, manual operating stand. The Model S1 employs the new S1 modular digital system! It will be introduced soon... more information to follow.

Index Terms: IRHD Durometer, ISO 48, ASTM D1415, DIN 53519, international rubber hardness degrees, international hardness, differential penetration, hardness scale value, force, penetration depth, dimension ball, normal test, N, high hardness test, H, low hardness test, L, microtest, M, curved surface, CN, CH, CL, CM, Shore durometer, Shore hardness, Shore, hardness, rubber hardness, plastic, plastic hardness, indentation hardness, ebonite, ebonite hardness, rubber hardness testing, rubber testing, hardness testing, durometer hardness, testing, MIL-STD-45622A, MIL-I-45208A, MIL-STD-120, ERDEC, TRDEC, NAVSWC, DREA, 83.060, 83.080.01.
Copyright © 2006 CCSi, Inc. • All Rights Reserved • Published August, 2006
Corporate Consulting, Service & Instruments, Incorporated
221 Beaver Street • Akron, Ohio 44304 USA
Telephone: 800.742.8535 / 330.376.3600 • Facsimile: 800.229.9329 / 330.376.8500
www.ccsi-inc.com www.orecozone.net