Same physical and chemical properties as HDPE, a base and main material.

Is a polymeric material which is integral and strongly locked into HDPE.

Has no toxic or dermatic hazards for safe handling.

Gets evenly Co0extruded and distributed as a solid Permanent Lubricant around the bore and along the length of the Duct.

Has stable Chemical properties.

1.

Co-efficient of friction -

max 0.344

External Surface of sub-duct with PVC main duct

max 0.056

Internal Surface of sub-duct against rope

max 0.08

Internal Surface of sub-duct against cable

2.

Temperature resistance range -

Recommended temperature range of installing Permanently Lubricated Duct is from

- 5° C to + 50° C

3.

Bending Radius -

Minimum ten times of Outside Diameter

4.

Anticipated Life Time

50 years

50 / 42 mm

50 mm

4.0 mm ± 0.3 mm

40 / 33 mm

40 mm

3.5 mm ± 0.2 mm

32 / 26 mm

32 mm

3.0 mm ± 0.2 mm

Sub Duct :

40 / 35 mm

40 mm

2.5 mm ± 0.2 mm

40 / 34 mm

40 mm

3.0 mm ± 0.2 mm

32 / 38 mm

32 mm

2.0 mm ± 0.2 mm

32 / 27 mm

32 mm

2.5 mm ± 0.2 mm