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| ISO 7599 | |
|---|---|
| Title | ISO 7599 |
| Status | Published |
| Year | 1986 |
| Organization | International Organization for Standardization |
| Scope | Test method for lubricating grease — determination of dropping point |
ISO 7599
ISO 7599 is an international standard that specifies a method for determining the dropping point of lubricating grease. It provides a standardized procedure used by laboratories and manufacturers to characterize thermal behavior of greases for applications in sectors such as automotive, aerospace, and manufacturing. The standard interfaces with other standards and test methods used by organizations across continents.
The standard establishes a test to determine the temperature at which a sample of lubricating grease changes state sufficiently to drip under specified conditions. It is intended for use by producers like Shell plc, ExxonMobil, BP, and testing bodies such as ASTM International, DIN, British Standards Institution, and JIS laboratories. The purpose is to aid compliance with procurement requirements from corporations including Boeing, Airbus, General Motors, and Toyota Motor Corporation and to support regulatory frameworks influenced by agencies like the European Commission, United States Environmental Protection Agency, and International Maritime Organization.
Key terms defined in the standard include sample preparation, apparatus, heating rate, and dropping point. Definitions align with vocabularies used by International Organization for Standardization, International Electrotechnical Commission, and national bodies such as Standards Australia and CSA Group. Terminology relates to grease categories referenced in technical literature from institutions like SAE International, The Institution of Mechanical Engineers, and research published by universities such as Massachusetts Institute of Technology, Stanford University, and Imperial College London.
Specifications cover apparatus dimensions, sample cups, thermometer calibration, and controlled heating rates. Requirements reference calibration practices used by metrology institutes like National Institute of Standards and Technology, Physikalisch-Technische Bundesanstalt, and NPL (United Kingdom). Materials and tolerances echo procurement standards adopted by industrial actors such as Siemens, Honeywell, and ABB Ltd.. Safety and handling guidance intersects with codes from Occupational Safety and Health Administration, International Labour Organization, and European Chemicals Agency.
The procedure prescribes sample conditioning, loading, heating profiles, and criteria for observing the first drop. It parallels test methods by ASTM D566, ASTM D2265, and methodologies referenced by SAE J300 and MIL-PRF-2105. Laboratory practices draw on quality systems like those of International Organization for Standardization 9001, ILAC, and accreditation processes conducted by bodies such as UKAS and ANAB. Test data reporting conventions are consistent with formats used in technical papers from American Society of Mechanical Engineers, Institute of Electrical and Electronics Engineers, and standards literature from CEN.
Conformity is typically demonstrated through accredited testing and issuance of certificates by laboratories accredited under programs like ISO/IEC 17025 and schemes run by IIOC-type national accreditation agencies. Certification processes interact with procurement verification by corporations such as Scania, Volvo Group, Renault, and Daimler AG. Traceability of results is maintained through chains involving metrology institutes like KRISS and quality assurance systems promoted by World Trade Organization trade facilitation measures.
Industries implement the standard to ensure product consistency for end users including NASA, European Space Agency, Lockheed Martin, and Northrop Grumman. OEM supply chains for companies such as Caterpillar Inc., Komatsu, John Deere, and Hitachi adopt the method to qualify greases used in heavy equipment. The standard informs procurement specifications for energy sector firms like Schlumberger, Halliburton, and utilities overseen by authorities such as International Energy Agency. Research and development groups at University of Cambridge, ETH Zurich, and Tsinghua University reference the method in comparative studies of lubricant formulations.
The standard was developed within technical committees of the International Organization for Standardization, involving experts and delegations from national bodies including AFNOR, UNI, SABS, and SIS. Revisions and related standards have paralleled developments in lubricant science documented in conferences such as the STLE Annual Meeting, ASME International Mechanical Engineering Congress, and workshops organized by IHWAI. Amendments reflect advancements in test apparatus, metrology, and harmonization efforts with ASTM International and regional bodies like ISO/TC 12-related committees.
Category:Standards