Underground Loose Tube
 
Underground loose tube cable is designed to be easily pulled into the tight confines of a duct where flexibility and abrasion resistance are required, and can be aerially lashed or directly buried underground.

Loose Tube Mono Tube:

Up to 24 optical fibres contained in a single, jelly filled loose tube, strengthened with flexible
non-metallic armour bonded to the inner polyethylene sheath, with an insect-resistant nylon
outer jacket.

Options include additional sacrificial sheath. Surface printing includes length
marking at 1-metre intervals.

Loose Tube Multi Tube:

Up to 72 optical fibres contained in jelly filled loose tubes (12 fibres/tube). The tubes and fillers are laid up around a central
non-metallic strength member, “dry” blocked, taped, and polyethylene sheathed with nylon outer jacket.

Options include
additional sacrificial sheath. Surface printing includes sequential length marking at 1-metre intervals.

Underground Loose Tube is available in the following:

• 4 core Gel-Filled Loose Tube – Multimode OM1
  
• 6 core Gel-Filled Loose Tube – Multimode OM1
  
• 6 core Gel-Filled Loose Tube – Multimode OM3
  
• 6 core Gel-Filled Loose Tube – Singlemode OS1
  
• 8 core Gel-Filled Loose Tube – Multimode OM1
  
• 12 core Gel-Filled Loose Tube – Multimode OM1
  
• 12 core Gel-Filled Loose Tube – Multimode OM3
  
• 12 core Gel-Filled Loose Tube – Singlemode OS1
  
• 24 core Gel-Filled Loose Tube – Multimode OM1
  
• 24 core Gel-Filled Loose Tube – Multimode OM3
  
• 24 core Gel-Filled Loose Tube – Singlemode OS1
  
• 48 core Gel-Filled Loose Tube – Multimode OM1 
• 48 core Gel-Filled Loose Tube – Singlemode OS1