NF ISO 7267-2

NF ISO 7267-2

November 2008
Standard Cancelled

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

ISO 7267-2:2008 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 7619‑1, 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.

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Main informations

Collections

National standards and national normative documents

Publication date

November 2008

Number of pages

7 p.

Reference

NF ISO 7267-2

ICS Codes

83.140.99   Other rubber and plastics products

Classification index

T47-404-2

Print number

1 - 23/10/2008

International kinship

ISO 7267-2:2008
Sumary
Rubber-covered rollers - Determination of apparent hardness - Part 2 : Shore-type durometer method

ISO 7267-2:2008 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 7619‑1, 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.

Standard replaced by (1)
NF ISO 48-7
December 2018
Standard Current
Rubber, vulcanized or thermoplastic - Determination of hardness - Part 7 : apparent hardness of rubber-covered rollers by Shore-type durometer method

This document 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.

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