PIN FR micro-ducts for cable protection
Hexatronic, Swedish specialist in optical fibre communication systems, offers a range of ‘halogen-free flame retardant’ microducts for cable installation in buildings.
Insulating, low friction internal surfaces ensure installation without cable damage and optimal protection of fibre optic cable systems. Ducts are available from 3/2 (slim) to 12/10 mm, and are rated IEC 60332-3-24 or UL 1666 OFNR or UL Riser.
Hexatronic Cables & Interconnect Systems “Microducts for indoor installations” http://hexatronic.com/products/microducts-and-microduct-assemblies/microducts-for-indoor-installations/