summary
Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Moderate to High Acidity Aromatic Isocyanates
description
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.
Details
Publisher
ASTM
File size
23.71 KB
Pages
3
Format
PDF
Publication date
2017-08-16
