Polywater® Prelube 5000™ Microcable Blowing Lubricant

Polywater® Prelube 5000™ Microcable Blowing Lubricant

A Lubricant to Increase Blowing Distance for Fiber Optic Microcables

Polywater® Prelube 5000™ reduces frictional drag during the blowing of small diameter fiber optic microcable into microtube duct. It increases installation distance of cable in a single shot. For blowing conventional fiber cables see sidebar. The improved chemistry allows this product to spread farther and reduce friction at extremely low coating levels.

Application: The microduct must be pressure tight. Clean and dry the tubing by blowing a tight-fitting foam sponge through the microduct with high pressure. If excess water or dirt exits from the microduct, repeat the process. Trapped water or dirt can block the air flow.

Prelube 5000™ is effective at quantities as low as 0.05 mg/cm². Squeeze recommended amount of lubricant from the table below into the duct. Quantity can be measured with a syringe or estimated based on duct fill length (table below). Spread lubricant into microduct by blowing a foam carrier or sponge as many times as necessary to avoid lubricant puddling near the entrance of the duct.

Polywater® Prelube 5000™ is formulated exclusively for installation of microcables in microtubes. The 240 ml bottle is designed for field use. The small snout makes the injection of lubricant into small ducts possible.


  • Lowers Friction – Increases installation distances and speeds.
  • Easy Application – Can be squeezed into the small microtubes.
  • Cost Effective – Small lubricant quantities lubricate long distances.
  • Compatible – Can be used with all microcable jackets.
  • Microduct Size (OD/ID) Lube Quantity per 1,000 feet: Volume Required Lube Quantity per 1,000 feet: Fill Length of Tube
    14/12 mm 0.30-fl oz/9-ml 3-in/8-cm
    12/10 mm 0.25-fl oz/7-ml 4-in/10-cm
    10/8 mm 0.20-fl oz/6-ml 5-in/12-cm
    8/6 mm 0.15-fl oz/4-ml 6-in/16-cm
    7/5 mm 0.13-fl oz/4-ml 7-in/19-cm
    5/3.5 mm 0.09-fl oz/3-ml 10-in/27-cm
    4/3 mm 0.08-fl oz/2-ml 12-in/31-cm
    Catalog # Package Description Units/Case
    PM-8 P8-fl oz/240-ml squeeze bottle 6
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