ISOPA represents the manufacturers of aromatic Diisocyanates and Polyols - the main building blocks of Polyurethanes. Our Channels Website: isopa.org Twitter: twitter.com/polyurethanes4U Blog: polyurethanes.org/blog About our Passive House: polyurethanes.org/passivehouse ISOPA promotes the highest standards of best practice in the distribution and use of Diisocyanates and Polyols in Europe and ensures that all stakeholders can easily access accurate and up-to-date information on these substances. ISOPA is based in Brussels, Belgium, and is an affiliated organisation of the European Chemical Industry Council, CEFIC.