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About This Item
Full Description
1.1 These test methods measure the acidic and basic constituents in polyols and other materials of high acidity or alkalinity that are soluble in mixtures of toluene and ethyl alcohol. These test methods do not apply to polyethers. (See Note 1.)
1.2 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 1 - There is no equivalent ISO standard.
Document History
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ASTM D4662-20
Standard Test Methods for Polyurethane Raw Materials: Determination of Acid and Alkalinity Numbers of Polyols- Most Recent
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ASTM D4662-15
Standard Test Methods for Polyurethane Raw Materials: Determination of Acid and Alkalinity Numbers of Polyols- Historical Version
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ASTM D4662-08(2011)e1
Standard Test Methods for Polyurethane Raw Materials: Determination of Acid and Alkalinity Numbers of Polyols- Historical Version
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ASTM D4662-08
Standard Test Methods for Polyurethane Raw Materials: Determination of Acid and Alkalinity Numbers of Polyols- Historical Version
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ASTM D4662-03
viewing
Standard Test Methods for Polyurethane Raw Materials: Determination of Acid and Alkalinity Numbers of Polyols- Historical Version
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ASTM D4662-98
Standard Test Methods for Polyurethane Raw Materials Determination of Acid and Alkalinity Numbers of Polyols- Historical Version