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About This Item

 

Full Description

ISO 48-7:2018 specifies a method for the determination of the apparent hardness of vulcanized- or thermoplastic-rubber roller covers, expressed in Shore hardness, for measurement where only medium precision is required. The method and apparatus used are essentially those described in ISO 48-4, the measurements in this case being made on the curved surface of the conditioned rubber-covered roller rather than on a flat test piece. Shore type A and type D instruments are specified, the latter being used for measurements on rollers of high hardness.

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.

 

Document History

  1. ISO 48-7:2018

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    Rubber, vulcanized or thermoplastic - Determination of hardness - Part 7: Apparent hardness of rubber-covered rollers by Shore-type durometer method

    • Most Recent
  2. ISO 48:2010


    Rubber, vulcanized or thermoplastic - Determination of hardness (hardness between 10 IRHD and 100 IRHD)

    • Historical Version
  3. ISO 7267-2:2008


    Rubber-covered rollers - Determination of apparent hardness - Part 2: Shore-type durometer method

    • Historical Version
  4. ISO 48:2007


    Rubber, vulcanized or thermoplastic - Determination of hardness (hardness between 10 IRHD and 100 IRHD)

    • Historical Version
  5. ISO 48:1994


    Rubber, vulcanized or thermoplastic - Determination of hardness (hardness between 10 IRHD and 100 IRHD)

    • Historical Version
  6. ISO 7267-2:1986


    Rubber-covered rollers - Determination of apparent hardness - Part 2 : Shore-type durometer method

    • Historical Version