Standard Test Method for
Polyurethane Raw Materials: Determination of Acidity in
Moderate to High Acidity Aromatic Isocyanates1
This standard is issued under the fixed designation D 6099; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
click below Astm D 6099 – 03 pdf free download
click here Astm D 6098 – 97 (Reapproved 2003) pdf free download