Item 

Unit 

                 Type

S-SM2030

S-SM3030

S-SM3050

S-HM-30

S-HM-40

S-HM-50

Area weight

g/m2

20

30

50

30

40

50

Binder contrent 

%

7.0

6.0

6.0

7.0

6.0

6.0

Pentrating time 

s

≤8

≤10

≤16

≤10

≤15

≤20

Tensile strength MD

N/5cm

≥20

≥25

≥20

≥20

≥20

≥20

Mositure content

%

≤0.2

≤0.2

≤0.2

≤0.2

≤0.2

≤0.2