ASTM-D6660 › Standard Test Method for Freezing Point of Aqueous Ethylene Glycol Base Engine Coolants by Automatic Phase Transition Method
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1.1 This test method covers the determination of the freezing point of an aqueous engine coolant solution.
1.2 This test method is designed to cover ethylene glycol base coolants up to a maximum concentration of 60 % (v/v) in water; however, the ASTM interlaboratory study mentioned in has only demonstrated the test method with samples having a concentration range of 40 to 60 % (v/v) water.
Note 1: Where solutions of specific concentrations are to be tested, they shall be prepared from representative samples as directed in Test Method . Secondary phases separating on dilution need not be separated.
Note 2: The products may also be marketed in a ready-to-use form (prediluted).
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 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. Some specific hazards statements are given in .
aqueous engine coolants; crystals; engine coolants; freezing point; Peltier; thermoelectric; ICS Number Code 19.040 (Environmental testing); 71.100.45 (Refrigerants and antifreezes)
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2001 R14(E1) EDITION
July 1, 2014