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Microduct 7/3.5 mm

TWD 7/3.5 mm Primary Tube

  • For direct burial
  • 7/3.5 mm microducts
  • Low friction inner surface
Three microducts in orange, yellow and red

The thick walled microduct are designed with an inner low friction surface that enables installation of air-blown fiber units or nano cables. The thick inner wall of the microducts allow for installation directly into the ground without the need for additional protection.

7/3.5 microducts are optimized for installation of air-blown fibers and nano cables. The microducts have a solid low-friction innner surface for best blowing performance.

Microducts: HDPE

Technical Information

Temperature, Operation [°C] -40 to +60
Temperature, Storage [°C] -40 to +60
Temperature, Installation [°C] -20 to +50

Abrasion: IEC 60794-1-2-E2B(1)
Kink: IEC 60794-1-2-E10, 20 x outer diameter
Impact: IEC 60794-1-2-E4
Crush: IEC 60794-1-2-E3
Tensile: IEC 60794-1-2-E
Bend: IEC 60794-1-2-E11A
Torsion: IEC 60794-1-2-E
Flexibility: IEC 60794-1-2-E8
Inner Clearance: IEC 60794-5-20, IEC 60794-5-10, Ann. D


Microducts have markings showing the type and tube length. The individual microducts are identified by their colors.

12 different colors are available: orange, yellow, red, white, green, violet, blue, grey, turquoise,black, brown, pink.