100

150

200

250

300

350

400

450

500

600

800

notes

Mass deviation per unit area%

-6

-6

-6

-5

-5

-5

-5

-5

-4

-4

-4

-

Thickness. mm. ≥

0.8

1.2

1.6

1.9

2.2

2.5

2.8

3.1

3.4

4.2

5.5

-

Width deviation.%

-0.5

-

fracture，KN/m≥

4.5

7.5

10.0

12.5

15.0

17.5

20.5

22.5

25.0

30.0

40.0

Vertical and horizontal direction

elongation at break≤(%)

40-80

CBR bursting，KN≥

0.8

1.4

1.8

2.2

2.6

3.0

3.5

4.0

4.7

5.5

7.0

equivalent aperture090（095），mm

0.07-0.2

Vertical permeability coefficient，cm/s

Kx(10-4-10-3),K=1.0-9.9

K＝1.0-9.9

tear，KN≥

0.14

0.21

0.28

0.35

0.42

0.49

0.56

0.63

0.70

0.82

1.10

Vertical and horizontal direction