Synthetic Filament Spunbond and Needlepunched Nonwoven Geotextiles

Item

Unit Weight,g/m²

100

150

200

250

300

350

400

450

500

600

800

Nominal Break Strength(KN/m)

4.5

7.5

10

12.5

15

17.5

20.5

22.5

25

30

40

Ratio of Elongation at break strength,%

40-80

CBR Bursting Strength,KN≥

0.8

1.4

1.8

2.2

2.6

3.0

3.5

4.0

4.7

5.5

7.0

Tearing Strength,KN≥

0.14

0.21

0.28

0.35

0.42

0.49

0.56

0.63

0.70

0.82

1.10

equivalent apertureO90(O95),mm

0.05-0.20

coefficient of vertical permeability,cm/s

Kx(10-¹-10^-3),K=1.0-9.9

Thickness, mm≥

0.8

1.2

1.6

1.9

2.2

2.5

2.8

3.1

3.4

4.2

5.5

Breadth Deviation,≤%

0.5

Unit weight2 Deviation,≤%

5