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Norm

ISO 3384-1:2024

Issue date: 2024 03 08

Rubber, vulcanized or thermoplastic — Determination of stress relaxation in compression — Part 1: Testing at constant temperature

This document specifies two procedures for determining the decrease in counterforce exerted by a test piece of vulcanized or thermoplastic rubber which has been compresse...
Valid
Publisher:
International Organization for Standardization
Format:
Digital | 14 Pages
Language:
English

This document specifies two procedures for determining the decrease in counterforce exerted by a test piece of vulcanized or thermoplastic rubber which has been compressed to a constant deformation and maintained thus at a predetermined test temperature.

The counterforce can be determined either by means of a continuous-measurement system or by a discontinuous-measurement one.

Two test methods are specified, method A and method B. In method A the compression and all measurements of counterforce are made at test temperature and in method B the compression and all measurements of counterforce are made at standard laboratory temperature.

Method A and method B do not give the same results, as in method B the shrinkage of the material from the test temperature to standard laboratory temperature is included in the result.

Two forms of test piece are specified in this document: cylindrical test pieces and rings. Comparison of results is valid only when made on test pieces of similar size and shape.

The use of ring test pieces is particularly suitable for the determination of stress relaxation in liquid environments.

This document deals only with testing at constant ambient or elevated temperature. Testing at temperatures below standard laboratory temperature is not specified. The methods have been used for low-temperature testing, but their reliability under these conditions is not proven.

ISO 3384-1:2024
2024 03 08
Rubber, vulcanized or thermoplastic — Determination of stress relaxation in compression — Part 1: Te...
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ISO 3384-1:2019
2019 08 14
Rubber, vulcanized or thermoplastic — Determination of stress relaxation in compression — Part 1: Te...
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ISO 3384-1:2011/Amd 1:2013
2013 03 15
Rubber, vulcanized or thermoplastic — Determination of stress relaxation in compression — Part 1: Te...
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ISO 3384-1:2011
2011 11 23
Rubber, vulcanized or thermoplastic — Determination of stress relaxation in compression — Part 1: Te...
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ISO 3384:2005
2005 09 21
Rubber, vulcanized or thermoplastic — Determination of stress relaxation in compression at ambient a...
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ISO 3384:1999/Amd 1:2001
2001 01 25
Rubber, vulcanized or thermoplastic — Determination of stress relaxation in compression at ambient a...
Norm
ISO 3384:1999
1999 10 07
Rubber, vulcanized or thermoplastic — Determination of stress relaxation in compression at ambient a...
Norm
ISO 3384:1991/Cor 1:1992
1992 02 27
Rubber, vulcanized or thermoplastic — Determination of stress relaxation in compression at ambient a...
Norm
ISO 3384:1991
1991 11 28
Rubber, vulcanized or thermoplastic — Determination of stress relaxation in compression at ambient a...
Norm
ISO 6056:1987
1987 03 26
Rubber, vulcanized or thermoplastic — Determination of compression stress relaxation (rings)
Norm
ISO 3384:1986
1986 10 16
Rubber, vulcanized — Determination of stress relaxation in compression at ambient and at elevated te...
Norm
ISO 6056:1980
1980 10 01
Rubber, vulcanized — Determination of compression stress relaxation (rings)
Norm
ISO 3384:1979
1979 11 01
Rubber, vulcanized — Determination of stress relaxation in compression at normal and at elevated tem...
Norm
ISO 3384:1979
1979 11 01
Rubber, vulcanized — Determination of stress relaxation in compression at normal and at elevated tem...
Norm
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