MPP Power Pipe

Trenchless modified polypropylene(MPP)power cable protective pipeis made by modified polypropyl-ene as the main raw material associated with special formula and processing technique to make a new type composite pipe.It has much advantages of high strength,good high temperature resistant perfor- mance,easy installing,convenient construction,cost savings and so on.

The MPP power cable protective pipe's features could be highlighted as a trenchless tube,which conforms to the development require- ments ofmodem cities and is suitable for buried depth of 2-18 meters.The trenchless construction technique has the characteristics of non-pollution,no impeded traffic,small damage to the underlying structure,secure construction,shortcycle,low construction cost,ensuring the reliabity andsecurity of the pipe network,reducing the failure rate of pipe network and so on.

It has remarkable social and economical benet efit and also greatly improved the city environment.The MPP power cable protective pipe could be applied to excavation and trenchless areas for protecting high pressure and ultra-high voltage power cables buried underground.

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Introduction
Parameter
Application

Introduction

01. M-PP pipe has excellent electrical insulation.

02. M-PP pipe has higher tensile and compression resistance than HDPE.

03. M-PP pipe is light, smooth, frictional resistance is small, can be hot-melt butt joint.

04. M-PP tube long-term use temperature -5~70℃.

05. M-PP pipe has higher thermal deformation temperature and low temperature impact performance.

Parameter

Outside diameter(mm)	Thickness(mm)			Length(mm)
	Ring stifness(3%)Normal temperature
	SN24	SN32	SN40
110	6	8	10	6000
160	10	12	14	6000
180	12	14	16	9000
200	14	6	6	9000
225	16	18	20	12000
250	18	20	22	12000

Item	Index
Dengsity（g/cm3）	0.90-0.94
Ring Stiffness (3%,Normal Tem,Kpa)	SM24≥24，SN32≥32，5N40≥40
Flattening Test (50%)	No break,no crack.
Hammer lmpact	No break,no crack.
Vicat Soften Temperature ( °C)	≥150
Tensile strength (%)	Pipe:≥25:Fusion Joint: ≥22.5
Elongation at Break (%)	≥400
Flexural Strength (Mpa)	≥36