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DIN ISO 48-8:2021-02

Rubber, vulcanized or thermoplastic - Determination of hardness - Part 8: Apparent hardness of rubber-covered rollers by Pusey and Jones method (ISO 48-8:2018)

Fecha edición: 2021-02-01
En Vigor
Idiomas disponibles: Inglés, Alemán
Resumen: This document specifies a method for the determination of the apparent hardness of vulcanized- or thermoplastic-rubber roller covers, expressed as the Pusey and Jones indentation value. The Pusey and Jones plastometer apparatus is used to measure the depth of indentation of an indentor under a specified force into the surface of the rubber. The indentation value is not the same as that measured by the international rubber hardness test method ISO 48-2, since in this method the rubber immediately adjacent to the indentor is precompressed. The Pusey and Jones indentation value is an inverse measurement of hardness, i.e. the harder the rubber the lower the Pusey and Jones indentation value.
Keywords: Coatings|Definitions|Elastomers|Hardness measurement|Hardness tests|Indentation|Indentation method|Indentation tests|Jones|Penetrant flaw detection|Penetration depths|Pusey|Rollers|Rollers (compactors)|Rubber products|Testing|Thermoplastic|Thermoplastic polymers|Vulcanized rubber
ICS: 83.140.99 - Otros productos de elastómeros y plásticos
CTN:

Equivalencia Internacional

Idéntica ISO 48-8:2018

Reemplazo Normas

Reemplaza a DIN ISO 48-8:2020-08

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