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This specification establishes the requirements for nonaqueous engine coolants used in automobiles or other lightduty service cooling systems. Non-aqueous coolants that conform to the specification will function effectively to provide protection against freezing, boiling, and corrosion without any further dilution. This specification is based upon the knowledge of the performance of non-aqueous engine coolants prepared from new individual or mixtures of virgin industrial grade diols.
This specification covers general requirements (color, effect on nonmetals), physical and chemical requirements (relative density, dynamic viscosity, boiling point, thermal conductivity, flash point, ash content, pH, chloride, water, reserve alkalinity, effect on automotive finish [use clear coat thermoset urethane or acrylic urethane finish]), and performance requirements (corrosion in glassware, simulated service test, corrosion of cast aluminum alloys at heat-rejecting surfaces [mg/cm2/week], foaming).
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers the requirements for non-aqueous engine coolants used in automobiles or other light-duty service cooling systems. Non-aqueous coolants that conform to the specification will function effectively to provide protection against freezing, boiling, and corrosion without any further dilution. This specification is based upon the knowledge of the performance of non-aqueous engine coolants prepared from new individual or mixtures of virgin industrial grade diols.
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. See . for a specific warning statement
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D93 Test Methods for Flash Point by Pensky-Martens Closed Cup Tester
D1119 Test Method for Percent Ash Content of Engine Coolants
D1120 Test Method for Boiling Point of Engine Coolants
D1121 Test Method for Reserve Alkalinity of Engine Coolants and Antirusts
D1122 Test Method for Density or Relative Density of Engine Coolant Concentrates and Engine Coolants By The Hydrometer
D1123 Test Methods for Water in Engine Coolant Concentrate by the Karl Fischer Reagent Method
D1287 Test Method for pH of Engine Coolants and Antirusts
D1882 Test Method for Effect of Cooling System Chemical Solutions on Organic Finishes for Automotive Vehicles
D2983 Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer
D3634 Test Method for Trace Chloride Ion in Engine Coolants
D4725 Terminology for Engine Coolants and Related Fluids
D5827 Test Method for Analysis of Engine Coolant for Chloride and Other Anions by Ion Chromatography
D5931 Test Method for Density and Relative Density of Engine Coolant Concentrates and Aqueous Engine Coolants by Digital Density Meter
D7840 Test Method for Foaming Tendencies of Non-Aqueous Engine Coolants in Glassware
D7896 Test Method for Thermal Conductivity, Thermal Diffusivity and Volumetric Heat Capacity of Engine Coolants and Related Fluids by Transient Hot Wire Liquid Thermal Conductivity Method
D7934/D7934M Test Method for Corrosion of Cast Aluminum Alloys in Non-Aqueous Engine Coolants Under Heat-Rejecting Conditions
D7935/D7935M Test Method for Corrosion Test for Non-Aqueous Engine Coolants in Glassware
D8034/D8034M Test Method for Simulated Service Corrosion Testing of Non-Aqueous Engine Coolants
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
ICS Number Code 43.040.01 (Road vehicle systems in general)
UNSPSC Code 25174004(Engine coolant)
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ASTM D8085-17, Standard Specification for Non-Aqueous Engine Coolant for Automobile and Light-Duty Service, ASTM International, West Conshohocken, PA, 2017, www.astm.orgBack to Top