NO.

Item

20-1

530-2

40-2

850-3

560-4

280-5

6100-70

1

Longitude breaking strength, KN/m >= 

20

30

40

50

60

80

100

2

Latitude breaking strength, KN/m>=

15

22

28

35

42

50

70

3

Longitude breaking elongation,  <=

                                                 28

4

Trapezoid tear strength(Latitude) KN>=

0.3

0.45

0.5

0.6

0.75

1

1.2

5

Bursting strength, KN

1.6

2.4

3.2

4

4.8

6

7.5

6

Vertical osmotic coefficient, cm/s

                                          10-1  ---10-4 

7

Effective aperture O95, mm

                                               0.08-0.5

8

Quality per unit acreage, g/m2

120

160

200

240

280

340

400

Allowable deviation, %

                                                +-10

9

Ultravioresistant  strength  conservation rate

As  per  requirements of  design or contract