ASTM D6099-97
Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Moderate to High Acidity Aromatic Isocyanates

Standard No.

ASTM D6099-97

Release Date

1997

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM D6099-03

Latest

ASTM D6099-24

Scope

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 D6099-97 history

• 2024 ASTM D6099-24 Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Moderate to High Acidity Aromatic Isocyanates
• 2018 ASTM D6099-18 Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Moderate to High Acidity Aromatic Isocyanates
• 2013 ASTM D6099-13 Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Moderate to High Acidity Aromatic Isocyanates
• 2008 ASTM D6099-08 Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Moderate to High Acidity Aromatic Isocyanates
• 2003 ASTM D6099-03 Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Moderate to High Acidity Aromatic Isocyanates
• 1997 ASTM D6099-97 Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Moderate to High Acidity Aromatic Isocyanates