In their main applications in wood products, mineral insulating materials and moulding compounds, phenolic resins have achieved a dominant roll amongst thermosetting materials. It has been possible to eliminate or significantly reduce ecological problems with new resins or special processing technologies. Phenolic resins in finished products are resistant to water and many chemicals; in a fire they evolve only low volumes of combustion gas. Because of their properties they are increasingly being used in new applications such as fire resistant compounds and sinter compounds. Examples show that phenolic resins continue to be developed with a view to new applications.