fire protection elements Russia

...Optical cable with a central strength member made of FRP rod, steel strand or steel wire; tubes with up to 24 optical fibers and (if necessary) dummy tubes are stranded around the strength member; with PE sheath. Can be manufactured with dry water-blocking elements. Operational temperature of the cable is from -40°С to 70°С. Minimum temperature for installation is -10°С. The number of fibers in the cable:up to 576 Tensile force :up to 3 kN Crushing force:from 300 N/cm Fire-safe:+ Rodent protection:+...