PP Woven Geotextile
PP Woven Geotextile
The PP long fiber geotextile produced by our company is a high-performance and durable synthetic material widely used in various civil and environmental engineering projects. It is often used as a separation, filtration, or reinforcement layer in different geological engineering applications, such as highway and railway construction, slope protection, coastal erosion control, landfill sites, and dam engineering.
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Description

Introduction

PP Woven Geotextile is a kind of geotextile made of polypropylene (PP) as raw material, which is made into fiber by melt extrusion and then processed by weaving process. It has good strength, corrosion resistance and UV resistance, and is widely used in highway, railway, water conservancy, construction and other projects to play the role of anti-seepage, isolation, drainage and soil reinforcement.

 

Advantages

High strength and durability
The longitudinal and transverse breaking strength of this product ranges from 4.5 to 50 KN/m, which complies with the national standard GB/T 17639-2008 and can meet the actual strength requirements of different projects. In terms of continuous tensile performance, the nominal elongation at break is between 40% and 80%, showing good toughness and ductility, ensuring that the geotextile still maintains stable performance under complex environmental conditions.

 

Excellent thickness and uniformity control
The thickness of this geotextile product ranges from 0.8 to 6.8 mm, which can meet the thickness requirements of a variety of different projects. The deviation rate of unit area mass is controlled within -5%, and the width deviation rate is less than -0.5%. These indicators ensure the stability of product size and help to unify the fabric laying and project quality during construction.

 

Good permeability and water permeability
The water permeability coefficient is between 1×10⁻¹ and 1×10⁻³ cm/s, which can effectively ensure the smooth discharge of water in the soil and prevent structural damage caused by water accumulation. The equivalent pore size (O90/O95) is controlled in the range of 0.05 to 0.2 mm, which can not only block the loss of fine particles, but also ensure that water can pass smoothly, meeting the dual functions of soil isolation and water permeability.

 

Multiple specifications, multiple performances
We provide PP woven geotextiles in various specifications, with a mass range of 100 to 600 g/m², a thickness of 0.8 to 4.2 mm, and a strength grade of 4.5 to 30 KN/m. These diverse parameters can provide suitable product options for the specific needs of different infrastructure projects, ensuring the pertinence and effectiveness of engineering construction.

 

Filament Geotextile: GB/T 17639-2008

Project

4.5

7.5

10

15

20

25

30

40

50

Longitudinal and transverse breaking strength, KN/m≥

4.5

7.5

10

15

20

25

30

40

50

Nominal breaking strength corresponds to elongation,%

40-80

CBR brusting strength,KN≥

0.8

1.6

1.9

2.9

3.9

5.3

6.4

7.9

8.5

Thickness, mm

0.8

1.2

1.6

2.2

2.8

3.4

4.2

5.5

6.8

Mass deviation rate per unit area,%

-5

Width deviation rate,%

-0.5

Equivalent opening size O90(O95), mm

0.05-0.2

Vertical permeability coefficient, cm/s

k×(10-1~10-3) k=1.0~9.9

Longitudinal and transverse tearing strength,KN≥

0.14

0.21

0.28

0.42

0.56

0.7

0.82

1.1

1.25

Q/CR 549.5-2016

Project

Performance indicators

Nominal strength at break,KN/m

4.5

7.5

10.5

12.5

15

20

25

30

Longitudinal and transverse tensile break strength,KN/m≥

4.5

7.5

10.5

12.5

15

20

25

30

Elongation at break in longitudinal and transverse direction ,%

40-80

Longitudinal and transverse tearing strength, KN≥

0.14

0.21

0.28

0.35

0.42

0.56

0.7

0.82

CBR brusting strength, KN≥

0.8

1.4

1.8

2.2

2.6

3.5

4.7

6.4

Longitudinal and transverse holding strength, KN≥

0.3

0.6

0.9

1.20

1.40

1.8

2.30

2.8

Thickness, mm

0.8

1.2

1.6

1.9

2.2

2.8

3.4

4.2

Equivalent opening size O90(O95), mm

0.07-0.2

Vertical permeability coefficient, cm/s

1×(10-1~10-3)

Mass per unit area, g/m2

100

150

200

250

300

400

500

600

Width deviation,%

±0.5

 

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