ASTM_D_7665_-_22.pdf

Designation:D766522Standard Guide forEvaluation of Biodegradable Heat Transfer Fluids1This standard is issued under the fixed designation D7665;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This guide2covers general information,without specificlimits,for selecting standard test methods for evaluating heattransfer fluids for quality and aging.These test methods areconsidered particularly useful in characterizing biodegradablewater-free heat transfer fluids in closed systems.1.2 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.3 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:3D86 Test Method for Distillation of Petroleum Products andLiquid Fuels at Atmospheric PressureD91 Test Method for Precipitation Number of LubricatingOilsD92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD93 Test Methods for Flash Point by Pensky-MartensClosed Cup TesterD95 Test Method for Water in Petroleum Products andBituminous Materials by DistillationD97 Test Method for Pour Point of Petroleum ProductsD189 Test Method for Conradson Carbon Residue of Petro-leum ProductsD445 Test Method for Kinematic Viscosity of Transparentand Opaque Liquids(and Calculation of Dynamic Viscos-ity)D471 Test Method for Rubber PropertyEffect of LiquidsD524 Test Method for Ramsbottom Carbon Residue ofPetroleum ProductsD664 Test Method for Acid Number of Petroleum Productsby Potentiometric TitrationD893 Test Method for Insolubles in Used Lubricating OilsD1160 Test Method for Distillation of Petroleum Products atReduced PressureD1298 Test Method for Density,Relative Density,or APIGravity of Crude Petroleum and Liquid Petroleum Prod-ucts by Hydrometer MethodD1500 Test Method for ASTM Color of Petroleum Products(ASTM Color Scale)D2270 Practice for Calculating Viscosity Index from Kine-matic Viscosity at 40 C and 100 CD2717 Test Method for Thermal Conductivity of Liquids(Withdrawn 2018)4D2766 Test Method for Specific Heat of Liquids and Solids(Withdrawn 2018)4D2879 Test Method for Vapor Pressure-Temperature Rela-tionship and Initial Decomposition Temperature of Liq-uids by IsoteniscopeD2887 Test Method for Boiling Range Distribution of Pe-troleum Fractions by Gas ChromatographyD4052 Test Method for Density,Relative Density,and APIGravity of Liquids by Digital Density MeterD4175 Terminology Relating to Petroleum Products,LiquidFuels,and LubricantsD4530 Test Method for Determination of Carbon Residue(Micro Method)D5864 Test Method for Determining Aerobic Aquatic Bio-degradation of Lubricants or Their ComponentsD6384 Terminology Relating to Biodegradability and Eco-toxicity of LubricantsD6743 Test Method for Thermal Stability of Organic HeatTransfer FluidsD7042 Test Method for Dynamic Viscosity and Density ofLiquids by Stabinger Viscometer(and the Calculation of1This guide is under the jurisdiction of ASTM Committee D02 on PetroleumProducts,Liquid Fuels,and Lubricants and is the direct responsibility of Subcom-mittee D02.L0.06 on Non-Lubricating Process Fluids.Current edition approved July 1,2022.Published August 2022.Originallyapproved in 2010.Last previous edition approved in 2017 as D7665 17.DOI:10.1520/D7665-22.2The background for this standard was developed by a questionnaire circulatedby ASTM-ASLE technical division L-VI-2 and reported in LubricationEngineering,Vol 32,No.8,August 1976,pp.411416.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.4The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1Kinematic Viscosity)D7044 Specification for Biodegradable Fire Resistant Hy-draulic FluidsE659 Test Method for Autoignition Temperature of Chemi-calsG4 Guide for Conducting Corrosion Tests in Field Applica-tions2.2 OECD Standards: