ASTM D 7752 : 2018
Current
The latest, up-to-date edition.
Standard Practice for Evaluating Compatibility of Mixtures of Hydraulic Fluids
Hardcopy , PDF
English
01-03-2018
This practice covers the compatibility of mixtures of hydraulic fluids as defined by Specifications D6158, DIN 51524, ISO 11158, and ISO 15380.
Committee |
D 02
|
DocumentType |
Standard Practice
|
Pages |
6
|
PublisherName |
American Society for Testing and Materials
|
Status |
Current
|
Supersedes |
1.1This practice covers the compatibility of mixtures of hydraulic fluids as defined by Specifications D6158, DIN 51524, ISO 11158, and ISO 15380.
1.2This practice can be used to evaluate new (unused) lubricant compatibility or the effects of combining new (replacement) lubricant with in-service (original) lubricant in the system.
1.3To evaluate primary compatibility using this method, the replacement fluid must pass the ISO 13357-1 Stage II filterability test. The original fluid is not required to pass ISO 13357-1 filterability test, Stage I or II.
1.4Primary testing is conducted on fluid mixtures in 2:98, 10:90, and 50:50 ratios using the ISO 13357-1 Filterability Test, Stage II.
1.5Secondary testing is suggested when circumstances indicate the need for additional testing.
1.6This practice does not evaluate the wear prevention characteristics, load carrying capacity, or the mechanical shear stability of lubricant mixtures while in service. If anti-wear (AW), extreme pressure (EP), or shear stability are to be evaluated, further testing of these parameters may be required.
1.7This practice does not purport to cover all test methods that could be employed.
1.8The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.9This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.10This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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ASTM D 1401 : 2002 | Standard Test Method for Water Separability of Petroleum Oils and Synthetic Fluids |
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ASTM D 2270 : 2024 | Standard Practice for Calculating Viscosity Index from Kinematic Viscosity at 40 °C and 100 °C |
ASTM D 7042 : 2012 : REV A | Standard Test Method for Dynamic Viscosity and Density of Liquids by Stabinger Viscometer (and the Calculation of Kinematic Viscosity) |
ASTM D 1401 : 2021 | Standard Test Method for Water Separability of Petroleum Oils and Synthetic Fluids |
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ASTM D 1401 : 2012 : EDT 1 | Standard Test Method for Water Separability of Petroleum Oils and Synthetic Fluids |
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ASTM D 3427 : 2007 | Standard Test Method for Air Release Properties of Petroleum Oils |
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ASTM D 7042 : 2021 : REV A | Standard Test Method for Dynamic Viscosity and Density of Liquids by Stabinger Viscometer (and the Calculation of Kinematic Viscosity) |
ASTM D 892 : 2018 : EDT 1 | Standard Test Method for Foaming Characteristics of Lubricating Oils |
ASTM D 445 : 2018 | Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity) |
ASTM D 665 : 2019 | Standard Test Method for Rust-Preventing Characteristics of Inhibited Mineral Oil in the Presence of Water |
ASTM D 7042 : 2016 | Standard Test Method for Dynamic Viscosity and Density of Liquids by Stabinger Viscometer (and the Calculation of Kinematic Viscosity) |
ASTM D 1401 : 2018 : REV A | Standard Test Method for Water Separability of Petroleum Oils and Synthetic Fluids |
ASTM D 3427 : 2012 | Standard Test Method for Air Release Properties of Petroleum Oils |
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ASTM D 3427 : 2014 | Standard Test Method for Air Release Properties of Petroleum Oils |
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