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ASTM D 4662 : 2020

Current
Current

The latest, up-to-date edition.

Standard Test Methods for Polyurethane Raw Materials: Determination of Acid and Alkalinity Numbers of Polyols
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

07-13-2020

1.1These 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.)

1.2This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Note 1:There is no known ISO equivalent to this standard.

1.3This 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.

Committee
D 20
DocumentType
Test Method
Pages
3
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM D 883 : 2023 Standard Terminology Relating to Plastics
ASTM E 456 : 2002 Standard Terminology for Relating to Quality and Statistics
ASTM D 883 : 2024 Standard Terminology Relating to Plastics
ASTM E 456 : 2013 : REV A : R2022 Standard Terminology Relating to Quality and Statistics
ASTM D 883 : 2022 Standard Terminology Relating to Plastics
ASTM D 883 : 2020 : REV B Standard Terminology Relating to Plastics
ASTM E 456 : 2013 : REV A : R2017 : EDT 5 Standard Terminology Relating to Quality and Statistics
ASTM E 2935 : 2020 Standard Practice for Conducting Equivalence Tests for Comparing Testing Processes
ASTM E 2935 : 2020 : EDT 1 Standard Practice for Conducting Equivalence Tests for Comparing Testing Processes
ASTM E 2935 : 2021 Standard Practice for Evaluating Equivalence of Two Testing Processes
ASTM E 456 : 2013 : REV A : R2017 : EDT 4 Standard Terminology Relating to Quality and Statistics
ASTM E 456 : 2013 : REV A : R2017 : EDT 6 Standard Terminology Relating to Quality and Statistics

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