duct rodder

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Duct Rodders are composed of fiber glass rod which was extruded by fiber glass and high strength resin at high temperature. This type of rod has high tensile strength and flexibility. It was covered by a high density polyethylene engineering plastic as its protect layer, which make duct rodder cover sliding on surface, durable, corrosion resistant and has good insulation performance, which make them safe for use in cable occupied duct.
High Density polyethylene ( Grade: for the insulating and jacketing of Telecommunication Cables) is used in the outer diameter coating.
Duct Rodders will equipped with different size reel according to the length of rod. There are wheels on the reel, which make it convenient for moving.
Light weight, durable, resistance to acid, alkali, aging resistant, corrosion resistant.
High tensile strength and bending properties, which make it to go through narrow pipes easily.
Good temperature adaptability, the product will not soften in hot weather / nor become brittle in cold weather. Its usability will not be affected by temperature.
Outer protect layer are made of high density polyethylene engineering plastic, which has good anti-UV capability.Cover was coated with long-term UV-resistant polyethylene.
Its surface has the advantage of smooth, wear-resistant and long service life.
There are meter marks on the protect layer of duct rodder, which can be used for measuring distance. Marks are printed by professional printing machine, which has the advantage of strong adhesion, clear writing, waterproof, anti-ultraviolet, it can be still clear even after using many times.
There are several kinds of colors for the rod for your chosen.
Technical Data of Duct Rodders
1 - Glass Reinforced Composite core:
General properties
Property Value
Keinforcement E-Glass Fiber
Glass Content of Inner Part 75-80%
Material of Pulling Rod Epoxy fiber glass ( inner)
High density Polyethylene( outer)
Density  1.9 gr/ cm3
Diameter Tolerance ± 0.10mm
Work situation temperature - 40 0C to + 800C

Mechanical properties
Property Value
Minimum pulling strength 4000 N± 5%
Tensile Modulus  30000 Mpa
Consistency of rod 150gr/ m± 5%
Flexural Modulus  30000 Mpa
Elongation at Break 2.5-3%
Min. Bending Radius 400mm
Water Absorption  0.15% after 24 hr.

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