Table 2 CPF liner specifications6.

From: Investigating the influence of permeable formwork on the mechanical characteristics of glass fiber reinforced concrete

Properties

Unit

Value

Thickness at 2 KPa

mm

1.2

Average pore size

µm

< 30

Unit weight

g/m2

250

Tear strength in longitudinal

N

250

Tear strength in transverse

N

200

Permeability of air at 800 Pa

l/s/m2

250

Composition

100% polypropylene