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ASTM D4274-21

Standard Test Methods for Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols

STANDARD published on 1.7.2021

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The information about the standard:

Designation standards: ASTM D4274-21
Note: WITHDRAWN
Publication date standards: 1.7.2021
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM

Annotation of standard text ASTM D4274-21 :

Keywords:
acetic anhydride, esterification, hydroxyl number, phthalic anhydride, polyester, polyether, polyol, pyromellitic dianhydride, titration,, ICS Number Code 83.080.20 (Thermoplastic materials)