application photo of wick drain (drainage board )

<75

Size 

Apparent Opening

5 x10^-3

cm/s

Filter Permittivity

500

500

N

Strength

Composite Puncture

85

85

N

Composite Trapezoidal Tear

>3.0

>3.0

>2.5

N

Strength Core

Composite Tensile

100-130

g/m

Core(Mass)

Non-woven  (90-110g/ m² )

Filter Material

Polypropylene

Drain Body Material

>5.0

>4.5

>4.0

mm

Fabric)

Thickness(including

100