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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for compatibility between elastomeric materials and hydraulic fluids
Hardcopy , PDF
04-16-2002
English
08-28-1987
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
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