Standard Swedish standard · SS-ISO 6914:2021

Rubber, vulcanized or thermoplastic — Determination of ageing characteristics by measurement of stress relaxation in tension (ISO 6914:2021, IDT)

Status: Valid

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Standard Swedish standard · SS-ISO 6914:2021

Rubber, vulcanized or thermoplastic — Determination of ageing characteristics by measurement of stress relaxation in tension (ISO 6914:2021, IDT)
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Scope
This document describes three methods for the measurement of the change of stress in a test piece at a given elongation for the purpose of determining the ageing characteristics of a rubber.
— Method A is intended for measurement under continuous strain conditions.
— Method B is the preferred method for measurement under intermittent strain conditions.
— Method C is an alternative to method B for measurement under intermittent strain conditions in which the test piece is removed from the ageing environment for measurement of the stress at standard laboratory temperature.
Measurements at a single elevated ageing temperature can be used for quality control purposes as a measure of heat-ageing resistance. Measurements at a number of temperatures can be used for research and development purposes to estimate long-term ageing characteristics in accordance with the procedures described in ISO 11346.
Tests under continuous and intermittent strain conditions measure the results of different processes, and hence do not give the same results. The results of the intermittent methods B and C also cannot be expected to be the same as they use different test conditions.

Subjects

Rubber (83.060)


Buy this standard

Standard Swedish standard · SS-ISO 6914:2021

Rubber, vulcanized or thermoplastic — Determination of ageing characteristics by measurement of stress relaxation in tension (ISO 6914:2021, IDT)
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Price: 875 SEK
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Price: 875 SEK
standard ikon

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Product information

Language: English

Written by: Svenska institutet för standarder

International title:

Article no: STD-80031196

Edition: 5

Approved: 9/13/2021

No of pages: 20

Replaces: SS-ISO 6914:2015