Non-excavation modified polypropylene (MPP) power cable conduit

Category: Power Communication Tube

Description：Modified polypropylene (MPP) power cable conduits are made primarily from modified polypropylene, with the addition of necessary additives, and are formed into pipes through extrusion processing. This type of piping requires minimal excavation during construction, which helps avoid issues such as dust, traffic congestion, and other disturbances caused by traditional construction methods. It is suitable for laying pipelines, cables, and other projects in special locations such as roads, railways, buildings, and under riverbeds.

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Description

　　Product Introduction

Modified polypropylene (MPP) power cable conduits are made primarily from modified polypropylene, with necessary additives, and are formed through extrusion processing. This conduit requires no extensive excavation during construction, avoiding issues such as dust and traffic congestion caused by traditional construction methods. It is suitable for laying pipelines, cables, and other projects in special locations such as roads, railways, buildings, and riverbeds.

　　Product Features

1. High modulus modified polypropylene (MPP) production;

2. Excellent electrical insulation;

3. High heat distortion temperature, long-term use temperature -5℃ to 70℃;

4. Excellent low-temperature impact resistance;

5. Resistant to acid, alkali, and chemical corrosion, with a long service life;

6. High strength of the conduit, strong compressive capacity;

7. Lightweight conduit that can be heat-fused for easy construction;

8. Smooth inner wall for easy cable placement;

9. High welding tensile strength and good toughness, allowing for non-excavation construction without extensive digging or surface damage.

　　Application Fields

Widely used in municipal, telecommunications, and power pipeline projects, as well as urban-rural non-excavation horizontal directional drilling power pipe laying projects.

Performance Indicators of Modified Polypropylene (MPP) Power Cable Conduits for Non-Excavation Use
Item	Requirements
Density/(g/cm³)	0.89~0.93
Ring Stiffness/(kN/m)	SN24:≥24 SN32:≥32 SN40:≥40
Flattening Test	The sample should not rupture.
Tensile Strength/MPa	≥25
Welding Strength/MPa	≥22.5
Elongation at Break/%	≥150
Drop Hammer Impact	At least 9 out of 10 samples should not rupture.
Static Friction Coefficient	<=0.35
Vicat Softening Temperature/℃	≥150
纵向回缩率/%	<=3
Heat Dissipation Performance	After being placed at room temperature for the specified time, the temperature of both the inner and outer walls of the conduit should be ≤30℃.