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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
20. 8. 2018.

Опште информације

90.93     4. 1. 2024.

ISO

ISO/TC 45/SC 2

Međunarodni standard

83.140.99  

engleski   francuski  

Kupovina

Objavljen

Jezik na kome želite da primite dokument.

Apstrakt

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.

Životni ciklus

PRETHODNO

POVUČEN
ISO 7267-2:2008

TRENUTNO

OBJAVLJEN
ISO 48-7:2018
90.93 Odluka o potvrđivanju standarda
4. 1. 2024.

Nacionalna preuzimanja

SRPS ISO 48-7:2019  
ISS

Guma dobijena vulkanizacijom ili termoplastična guma – Određivanje tvrdoće – Deo 7: Određivanje prividne tvrdoće valjaka sa prevlakom od gume primenom metode sa durometrom po Šoru

90.93   Odluka o potvrđivanju standarda

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