Actions for Influence of Engine Coolant Composition on the Electrochemical Degradation Behavior of EPDM Radiator Hoses

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Influence of Engine Coolant Composition on the Electrochemical Degradation Behavior of EPDM Radiator Hoses / GLM Vroomen, SS. Lievens, JP. Maes

Conference Author
Engine Coolant Testing: Fourth Volume (4th : 1997 : Scottsdale, Arizona)
Physical Description
1 online resource (13 pages) : illustrations, figures, tables
Additional Creators
Lievens, SS., Maes, JP., Vroomen, GLM, American Society for Testing and Materials, and ASTM International
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Summary
EPDM (ethylene-propylene rubber) has been used for more than 25 years as the main elastomer in radiator hoses because it offers a well-balanced price/performance ratio in this field of application. Some years ago the automotive and rubber industry became aware of a problem called electrochemical degradation and cracking. Cooling systems broke down due to a typical cracking failure of some radiator hoses. Different test methods were developed to simulate and solve the problem on laboratory scale. The influence of different variables with respect to the electrochemical degradation process has been investigated, but until recently the influence of the engine coolant was ignored. Using a test method developed by DSM elastomers, the influence of the composition of the engine coolant as well as of the EPDM composition has now been evaluated. This paper gives an overview of test results with different coolant technologies and offers a plausible explanation of the degradation mechanisms as a function of the elastomer composition.
Dates of Publication and/or Sequential Designation
Volume 1999, Issue 1335 (January 1999)
Subject(s)
Other Subject(s)
ISBN
9780803155664 (e-ISBN)
9780803126107
0803126107
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references 10.
Other Forms
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
Full text article also available for purchase.
Also available in PDF edition.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1999. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
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