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ISO 48-7:2018

Current Revision

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

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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 Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 45/SC 2
Publish Date Document Id Type View
Not Available ISO 48-7:2018 Revision