How It’s Used Propylene Oxide (PrO or PO) is utilized primarily as a chemical intermediate in the manufacture of items such as flexible and rigid foams, elastomers, coatings, adhesives, and injection moldings—all of which can be seen in a variety of products, including tub-shower combinations, gasoline tanks, and boat hulls. Among the top 50 chemicals … Continue reading Propylene Oxide—and Propylene Oxide Monitoring Instrumentation