BS ISO 11346:2014
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Rubber, vulcanized or thermoplastic. Estimation of life-time and maximum temperature of use
Hardcopy , PDF
14-07-2023
English
30-11-2014
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Selection of tests and ageing oven
6 Selection of threshold value
7 Test pieces
8 Exposure temperatures
9 Exposure times
10 Procedure
11 Expression of results
12 Test report
Bibliography
Defines the principles and procedures for estimating the thermal endurance of rubbers from the results of exposure to elevated temperatures for long periods.
| Committee |
PRI/22
|
| DevelopmentNote |
Supersedes 13/30278483 DC. (11/2014)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
This International Standard specifies the principles and procedures for estimating the thermal endurance of rubbers from the results of exposure to elevated temperatures for long periods.
Two approaches are specified (see Introduction):
one using the Arrhenius relation;
the other using the WLF equation.
In this International Standard, the estimation of thermal endurance is based solely on the change in selected properties resulting from periods of exposure to elevated temperatures. The various properties of rubbers change at different rates on thermal ageing, hence comparisons between different rubbers can only be made using the same properties.
| Standards | Relationship |
| ISO 11346:2014 | Identical |
| ISO 2578:1993 | Plastics Determination of time-temperature limits after prolonged exposure to heat |
| ISO 23529:2016 | Rubber General procedures for preparing and conditioning test pieces for physical test methods |
| ISO 188:2011 | Rubber, vulcanized or thermoplastic — Accelerated ageing and heat resistance tests |
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