Glycol Base Engine Coolants for Light-Duty Service, ASTM D 3306
This specification covers four types of ethylene glycol or propylene glycol base engine coolants used in automobile or other light duty service cooling systems.
Coolant Type Description
I Ethylene glycol base concentrate
II Propylene glycol base concentrate
III Ethylene glycol predilute (50 vol %)
IV Propylene glycol predilute (50 vol %)
This specification only refers to engine coolants made from new or virgin materials.
Glycol Base Engine Coolants for Light-Duty Service |
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Test Description |
Method |
Density or Relative Density of Engine Coolants |
ASTM D 5931 |
Freezing Point of Aqueous Engine Coolants |
ASTM D 1177 |
Boiling Point of Engine Coolants |
ASTM D 1120 |
Ash Content of Engine Coolants and Anti-Rusts |
ASTM D 1119 |
pH of Engine Coolants, Antifreezes, Antirusts |
ASTM D 1287 |
Chloride Ion in Engine Coolants |
ASTM D 3634 |
Water Content by Karl Fischer Method, Antifreeze |
ASTM D 1123 |
Reserve Alkalinity of Engine Coolants and Antirusts |
ASTM D 1121 |
Performance Requirements: |
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Corrosion Test for Engine Coolants, complete series including: copper, solder, brass, steel, cast iron, and aluminum. |
ASTM D 1384 |
Corrosion Testing of Engine Coolants, Simulated Service Test |
ASTM D 2570 |
Foaming Tendencies of Engine Coolants |
ASTM D 1881 |
Cavitation Corrosion and Erosion Characteristics of New Aluminum Pumps With Engine Coolants |
ASTM D 2809 |
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Additional Optional Tests: |
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Density or Relative Density of Engine Coolant Concentrates and Engine Coolants |
ASTM D 1122 |
Chloride and Other Ions in Engine Coolants by Ion Chromatography |
ASTM D 5827 |
