ASTM D 8036 : 2016
Superseded
View Superseded by
Standard Test Method for Polyurethane Raw Materials: Determination of Dimer Ratio in Pure MDI
English
05-01-2016
05-03-2025
CONTAINED IN VOL. 08.03, 2016 Specifies the ratio of the infrared absorbance of uretidinedione (dimer) in methylene-4,4'- di-(phenylisocyanate) to an infrared absorbance at a reference wavelength within the same material.
| Committee |
D 20
|
| DocumentType |
Test Method
|
| Pages |
3
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy |
1.1This test method determines the ratio of the infrared absorbance of uretidinedione (dimer) in methylene-4,4’- di(phenylisocyanate) to an infrared absorbance at a reference wavelength within the same material. It is applicable to monomeric methylene-di(phenylisocyanate), or “Pure MDI,” containing 95 % or greater methylene-4,4’-di(phenylisocyanate).
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 and health practices and determine the applicability of regulatory limitations prior to use.
Note 1:There is no known ISO equivalent to this standard.
| ASTM E 691 : 2020 | Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method |
| ASTM E 691 : 2019 : EDT 1 | Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method |
| ASTM E 691 : 2023 | Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method |
| ASTM E 691 : 2022 | Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method |
| ASTM E 691 : 2009 | Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method |
| ASTM E 691 : 2021 | Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method |
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