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ASTM D 6099 : 1997

ASTM D 6099 : 1997

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Moderate to High Acidity Aromatic Isocyanates

Superseded date

11-11-2014

Published date

10-04-1997

Publisher

American Society for Testing and Materials

Committee
D 20
DocumentType
Test Method
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

1.1 this test method determines the acidity, expressed as parts per million (ppm) of HCI, in aromatic isocyanate samples of greater than 100-ppm acidity. The test method is applicable to products derived from toluene diisocyanate and methylene-bis(4-phenylisocyanate) (see Note 1).

Note 1- There is no similar or equivalent ISO standard.

ASTM D 5629 : 2016 Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Low-Acidity Aromatic Isocyanates and Polyurethane Prepolymers

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