FRV Armaflex is a highly-flexible lightweight closed-cell insulation material made from nitrile rubber (manufactured according to EN 14304Z) with high water-vapour diffusion resistance (meaning no additional vapour barrier is required) and low thermal conductivity. It is Zero ODP, free of ozone-depleting gases in manufacture & composition and is suited for use as insulation for heated and cold water services, heating systems, chilled water lines, refrigerant pipes and process pipelines.