ASTM D5155-19 Determination of the Isocyanate Content of Aromatic Isocyanates
The ASTM D5155-19 method is specific to measure the isocyanate content of aromatic isocyanates used as polyurethane raw materials. The isocyanate sample is reacted with a large amount of dibutyl amine to make the corresponding urea. The values stated in SI units are to be regarded as standard.
Average 30% Cost