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

ASTM-D4662 - 1987 EDITION - SUPERSEDED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 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 problems, 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.

Keywords

Acidity, alkalinity, pH-plast; Acid number; Batch-to-batch uniformity; Correction factors; Hydroxyl numbers; Polyols; Reactivity; Titration; Urethanes-polyurethane raw materials (polyols); polyurethane raw materials: acid/alkalinity numbers of polyols, test; ICS Number Code 83.040.30 (Auxiliary materials and additives for plast); 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-D4662-87

Revision Level

1987 EDITION

Status

Superseded

Modification Type

Revision

Publication Date

Feb. 27, 1987

Document Type

Test Method

Page Count

3 pages

Committee Number

D20.22