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Description of ASTM-D7603 2013ASTM D7603 - 13Standard Test Method for Determination of Storage Stability and Compatibility in Automotive Gear OilsActive Standard ASTM D7603 | Developed by Subcommittee: D02.B0.01 Book of Standards Volume: 05.04 ASTM D7603Significance and Use 5.1 To avoid equipment failure, a gear oil should remain a homogeneous liquid and the performance-enhancing additives should not separate out when the oil is stored for an extended period of time. 5.2 In addition, because different oils are often mixed when topping off, gear oils from different manufacturers, or containing different base fluids or performance-enhancing additives should be completely miscible and compatible with each other. Any incompatibility of such mixtures can also result in equipment failure if gelation or additive dropout occurs. 5.3 The test procedures described in this test method are designed to evaluate the performance of gear oils in each of the above circumstances. 5.4 This test method is based on the separate test methods FED-STD-791/3440.1 and FED-STD-791/3440.2 . Minor changes have been made to the FED test methods to provide a coherent unified procedure. These changes do not significantly alter the test procedures. This test method has, therefore, potential for use as an alternative to the FED test methods in gear oil specifications such as SAE J2360 and Specification D5760 . 1. Scope 1.1 This test method covers the determination of storage stability characteristics and the compatibility of automotive gear lubricants when blended with reference lubricants. The purpose of the test is to determine if performance-enhancing additives separate out under defined conditions. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
ASTM Standards D235 Specification for Mineral Spirits (Petroleum Spirits) (Hydrocarbon Dry Cleaning Solvent) D1193 Specification for Reagent Water D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants D5760 Specification for Performance of Manual Transmission Gear Lubricants E542 Practice for Calibration of Laboratory Volumetric Apparatus E1272 Specification for Laboratory Glass Graduated Cylinders SAE Standards J2360 Lubricating Oil, Gear Multipurpose (Metric) Military UseFederal Test Method Standard FED-STD-791/3440.2 Compatibility Characteristics of Universal Gear LubricantsKeywords compatibility; gear oil; storage stability; ICS Code ICS Number Code 75.100 (Lubricants, industrial oils and related products) DOI: 10.1520/D7603 ASTM International is a member of CrossRef. ASTM D7603The following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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