Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Absorption of water in the obtained polyurethane foams (determined with ±1.2% accuracy). The appropriate shade of color indicates the time the foam stayed in the water (shown in the insert). The water content in the foaming composition per 100 g of polyol is given below the horizontal axis of the graph.
