ASTM D 4273 : 2011-04
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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TEST METHOD FOR POLYURETHANE RAW MATERIALS: DETERMINATION OF PRIMARY HYDROXYL CONTENT OF POLYETHER POLYOLS
Superseded date
05-09-2020
Superseded by
Published date
01-04-2011
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CONTAINED IN VOL. 08.02, 2018 Describes the primary hydroxyl content of ethylene oxide(EO)-propylene oxide (PO) polyether polyols used in preparing flexible polyurethane foams.
| Committee |
D 20
|
| DocumentType |
Redline
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy |
| ASTM E 1899 : 2016 : REDLINE | Standard Test Method for Hydroxyl Groups Using Reaction with <emph type="ital">p</emph >-Toluenesulfonyl Isocyanate (TSI) and Potentiometric Titration with Tetrabutylammonium Hydroxide |
| ASTM E 2977 : 2015 : REDLINE | Standard Practice for Measuring and Reporting Performance of Fourier-Transform Nuclear Magnetic Resonance (FT-NMR) Spectrometers for Liquid Samples |
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