The world of polyurethanes
- Center for the Polyurethanes Industry (CPI)
- EUROPUR (European Association of Flexible Polyurethane Foam Blocks Manufacturers)
- Foam Expo (Trade Fair & Conference, 8-10 November 2022, Stuttgart)
- ISOPA (European Diisocyanate & Polyol Producers Association)
- PIMA (US Polyisocyanurates Industry Manufacturers Association)
- Polyurethanes website
- Spray Foam Coalition (SFC)