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1.1 This specification covers the requirements for ethylene glycol, propylene glycol, 1,3 propanediol as well as glycerin base heat transfer fluids (HTF) used in heating and air conditioning (HVAC) systems. When concentrates are used at up to 65 % concentration by weight in water, or when prediluted heat transfer fluids (30 % by weight minimum) are used without further dilution, they will function effectively to provide protection against freezing, and corrosion.
1.2 The fluids described in this specification are not appropriate for use in systems where internal combustion engines (gasoline, diesel, or CNG/LPG) are used.
1.3 The heat transfer fluids governed by this specification are categorized as follows by the primary base of freeze depressant used:
1.4 Heat transfer fluids meeting this specification shall be tested and fully comply with requirements listed in .
Note 1: This specification is based on the knowledge of the performance of heat transfer fluids prepared from new or virgin ingredients. This specification shall also apply to heat transfer fluids prepared using materials generated from recycled or reprocessed ingredients, provided that these ingredients meet the requirements of Specifications and for Glycols and Specification for Glycerin.
Note 2: This specification addresses concentrated inhibited glycols and glycerol that will be mixed with water for use in various climates and prediluted heat transfer fluids (HTF) that are factory-blended with purified water. A table of estimated freeze protection temperatures at appropriate dilutions is provided in .
1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.6 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.
1.7 This 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D512 Test Methods for Chloride Ion In Water
D516 Test Method for Sulfate Ion in Water
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
D1126 Test Method for Hardness in Water
D1177 Test Method for Freezing Point of Aqueous Engine Coolants
D1287 Test Method for pH of Engine Coolants and Antirusts
D1293 Test Methods for pH of Water
D1881 Test Method for Foaming Tendencies of Engine Coolants in Glassware
D4327 Test Method for Anions in Water by Suppressed Ion Chromatography
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
D6130 Test Method for Determination of Silicon and Other Elements in Engine Coolant by Inductively Coupled Plasma-Atomic Emission Spectroscopy
D6660 Test Method for Freezing Point of Aqueous Ethylene Glycol Base Engine Coolants by Automatic Phase Transition Method
D7388 Specification for Engine Coolant Grade 1,3-Propanediol (PDO)
D7640 Specification for Engine Coolant Grade Glycerin
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E394 Test Method for Iron in Trace Quantities Using the 1,10-Phenanthroline Method
E1177 Specification for Engine Coolant Grade Glycol
ICS Number Code 71.100.45 (Refrigerants and antifreezes); 91.140.10 (Central heating systems); 91.140.30 (Ventilation and air-conditioning systems)
UNSPSC Code 15121530(Heat transfer oil or fluid)
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ASTM D8039-16, Standard Specification for Heat Transfer Fluids (HTF) for Heating and Air Conditioning (HVAC) Systems, ASTM International, West Conshohocken, PA, 2016, www.astm.orgBack to Top