FFSK-ES-UV is a heavy, flexible steel pipe made of galvanized steel strip with close grooving, black in color, UV-stabilized plastic coating, intermediate layer of special insulation, including one-sided sleeve (SM-EV). This flexible steel pipe is used for all installations in domestic or industrial construction as well as for outdoor installation. The advantage is the high pressure resistance - in addition, cables and lines can be safely shielded. UV-stable for up to 10 years.0605 DIN EN 61386-22 Minimum compressive strength: 1250N/5cm