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ISO 48-7:2018

Rubber, vulcanized or thermoplastic - Determination of hardness - Part 7: Apparent hardness of rubber-covered rollers by Shore-type durometer method
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ISO 48-7:2018

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

PUBLISH DATE 2018
ISO 48-7:2018

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.

SDO ISO: International Organization for Standardization
Document Number ISO 48
Publication Date Aug. 1, 2018
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 45/SC 2
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