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ASTM D3306-08

ASTM D3306-08

Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service

2010-12-31 /Historical
Superseeded by:

1.1 This specification covers the requirements for ethylene glycol or propylene glycol base engine coolants used in automobiles or other light duty service cooling systems. When concentrates are used at 40 to 70 % concentration by volume in water, or when prediluted glycol base engine coolants (50 volume % minimum) are used without further dilution, they will function effectively to provide protection against freezing, boiling, and corrosion.

1.2 The coolants governed by this specification are categorized as follows:

Coolant TypeDescription
IEthylene glycol base concentrate
IIPropylene glycol base concentrate
IIIEthylene glycol predilute (50 vol %)
IVPropylene glycol predilute (50 vol %)

Note 1—This specification is based on the knowledge of the performance of engine coolants prepared from new or virgin ingredients. This specification shall also apply to engine coolants prepared using glycol generated from recycled or reprocessed used coolant or reprocessed industrial-source glycol, provided that said glycol meets the requirements of Specification E 1177. Separate specifications (D 6471 and D 6472) exist for engine coolants prepared from recycled or reprocessed used coolant or reprocessed industrial-source glycol that does not meet the requirements established in Specification E 1177.

1.3 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.

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.

Note 2—This specification applies to automobiles and light duty service. Specifications D 4985 and D 6210 exist for heavy duty engine service.

engine coolant; engine coolant concentrate; ethylene glycol; light duty engine coolant; prediluted engine coolant; propylene glycol; Aqueous engine coolant; Engine coolants/concentrates--specifications; Ethylene glycol--specifications; Light duty engine service--specifications; Propylene glycol
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