Reference number
ISO 7267-1:2017
© ISO 2024
ISO 7267-1:2017
Rubber-covered rollers — Determination of apparent hardness — Part 1: IRHD method
Edition 4
2017-08
Withdrawn
Withdrawn (Edition 4, 2017)

Abstract

ISO 7267-1:2017 specifies a method for the determination of the apparent hardness, expressed in International Rubber Hardness Degrees (IRHD), of vulcanized- or thermoplastic-rubber roller covers. The method is similar in principle to the methods used for the determination of the hardness of rubber in ISO 48 in that it consists essentially of measuring the depth of penetration of a spherical indentor operating under a specified force. The apparatus used is similar to that described in ISO 48, having a base specifically designed for application to roller covers and similar curved surfaces.

NOTE With some rollers, there can be significant variation in the thickness of the rubber over the surface of the roller, which could affect the measured apparent hardness.

General information

  • Status
     : Withdrawn
    Publication date
     : 2017-08
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 4
    Number of pages
     : 5
  • Technical Committee :
    ISO/TC 45/SC 2
    ICS :
    83.140.99 
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