ASTM-D4662 Historical Revision Information
Standard Test Methods for Polyurethane Raw Materials: Determination of Acid and Alkalinity Numbers of Polyols

ASTM-D4662 - 2008 EDITION - SUPERSEDED
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Standard Test Methods for Polyurethane Raw Materials: Determination of Acid and Alkalinity Numbers of Polyols
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Scope

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 known ISO equivalent to this standard.

Keywords

acidity; acid number; alkalinity number; polyols; Polyols; Polyurethane raw materials--polyols; Reactivity; Titration; Acidity, alkalinity, pH--plastics; Acid number; Alkalinity; Batch-to-batch uniformity; Correction factors; Hydroxyl numbers; ICS Number Code 83.040.30 (Auxiliary materials and additives for plastics); 83.080.20 (Thermoplastic materials)

To find similar documents by ASTM Volume:

08.02 (Plastics (II): D3222 - D5083)

08.03 (Plastics (III): D5117 - latest; Reinforced Plastic Piping Systems and Chemical Equipment; Plastic Building Products)

To find similar documents by classification:

83.040.30 (Auxiliary materials and additives for plastics Including fillers, extenders, hardeners, pigments, plasticizers, etc.)

83.080.20 (Thermoplastic materials)

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Document Number

ASTM-D4662-08

Revision Level

2008 EDITION

Status

Superseded

Modification Type

Revision

Publication Date

Aug. 1, 2008

Document Type

Test Method

Page Count

3 pages

Committee Number

D20.22