BS ISO 7619-2 Rubber, vulcanized or thermoplastic. Determination of indentation hardness. IRHD pocket meter method

BS ISO 7619-2:2010

Rubber, vulcanized or thermoplastic. Determination of indentation hardness. IRHD pocket meter method

Status : Superseded, Withdrawn   Published : October 2010 Replaced By : BS ISO 48-5:2018

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BS ISO 7619-2:2010 Rubber, vulcanized or thermoplastic. Determination of indentation hardness. IRHD pocket meter method

This part of BS ISO 7619 specifies a method for determining the indentation hardness of vulcanized or thermoplastic rubber by means of a pocket hardness meter calibrated in IRHD. The use of such meters is primarily intended for control, not specification, purposes (for specification, see BS ISO 48). It is possible to increase precision by fixing the pocket hardness meter on a support.

The hardness of rubber, as measured by an IRHD pocket meter or a Shore durometer, is determined from the complex response of the rubber to an applied indentation. An IRHD pocket meter is a portable hand-held durometer calibrated to measure on the IRHD scale.

The measurement will depend upon:

a) the elastic modulus of the rubber;
b) the viscoelastic properties of the rubber;
c) the thickness of the test piece;
d) the geometry of the indentor;
e) the pressure exerted;
f) the rate of increase of pressure;
g) the interval after which the hardness is recorded.

Because of these factors, it is inadvisable to relate results obtained using an IRHD pocket meter directly to

Shore durometer hardness values, although correlations have been established for some individual rubbers and compounds.

Contents of BS ISO 7619 Part 2 include:

  • Introduction
  • Scope
  • Normative references
  • Principle
  • Apparatus
  • IRHD pocket hardness meter
  • Test pieces Thickness
  • Surface
  • Conditioning and test temperature Procedure
  • Test time
  • Number of measurements
  • Calibration and checking
  • Calibration
  • Checking using standard rubber blocks
  • Test report
  • Bibliography



Standard NumberBS ISO 7619-2:2010
TitleRubber, vulcanized or thermoplastic. Determination of indentation hardness. IRHD pocket meter method
StatusSuperseded, Withdrawn
Publication Date31 October 2010
Withdrawn Date22 August 2018
Normative References(Required to achieve compliance to this standard)ISO 23529, ISO 18898, ISO 48
Informative References(Provided for Information)ISO 7267-1, ISO 868
Replaced ByBS ISO 48-5:2018
ReplacesBS ISO 7619-2:2004
International RelationshipsISO 7619-2:2010
DescriptorsThermoplastic polymers, Test equipment, Physical testing, Hardness measurement, Rubber, Portable, Plastics and rubber technology, Hardness, Vulcanized rubber, Hardness testing, Hardness testers, Vulcanized materials
ICS83.060
Title in FrenchCaoutchouc vulcanisé ou thermoplastique. Détermination de la dureté par pénétration. Méthode au duromètre de poche étalonné en DIDC
Title in GermanElastomere oder thermoplastische Elastomere. Bestimmung der Härte. IRHD-Taschengeräteverfahren
CommitteePRI/22
ISBN978 0 580 65432 9
PublisherBSI
FormatA4
DeliveryYes
Pages16
File Size256 KB
Price£130.00


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