BS 4832:1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for compatibility between elastomeric materials and hydraulic fluids
Hardcopy , PDF
16-04-2002
English
28-08-1987
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National foreword
Committees responsible
Specification
0. Introduction
1. Scope and field of application
2. References
3. Definitions
4. Test elastomers
5. Determination of elastomer compatibility index (ECI)
6. Identification statement
Annexes
A. Prediction of percentage change in volume of
commercial rubbers in mineral-based oils
B. Rapid method for indicating the effect of mineral-
based oils on elastomers by measuring volume change
index (VCI)
C. Information report
Tables
1. Composition by mass of standard acrylonitrile-
butadiene rubber (NBR 1)
2. Control tests for NBR 1
3. Composition by mass of standard fluoroelastomer
(FPM 1)
4. Control tests for FPM 1
5. Composition by mass of standard ethylene propylene
diene rubber (EPDM 1)
6. Control tests for EPDM 1
7. Test conditions for determination of elastomer
compatibility index (ECI)
8. Conversion table for converting percentage linear
swell (SD) into percentage volumetric change (SV)
Figures
1. Analytical balance for weighing in air and water
2. Relationship between percentage change in volume
of commercial rubbers in mineral oils and of
standard rubber NBR 1
3. Tapered rod gauge
Procedures to evaluate the effect of mineral based and fire-resistant hydraulic fluids upon three basic types of elastomeric compositions by measurement, under controlled conditions, of physical properties of standard test pieces of the appropriate test elastomer before and after immersion in the fluids.
| Committee |
MCE/18
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 6072:2011 | Identical |
| ISO 5598:2008 | Fluid power systems and components Vocabulary |
| ISO 289:1985 | Rubber, unvulcanized Determination of Mooney viscosity |
| ISO 2393:2014 | Rubber test mixes — Preparation, mixing and vulcanization — Equipment and procedures |
| ISO 37:2017 | Rubber, vulcanized or thermoplastic — Determination of tensile stress-strain properties |
| ISO 48:2010 | Rubber, vulcanized or thermoplastic Determination of hardness (hardness between 10 IRHD and 100 IRHD) |
| ISO 1629:2013 | Rubber and latices — Nomenclature |
| ISO 1817:2015 | Rubber, vulcanized or thermoplastic Determination of the effect of liquids |
| ISO 2781:2008 | Rubber, vulcanized or thermoplastic Determination of density |
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