Property

Unit

Numerical Range

Grammage

G/㎡

200±5

Air Permeability

L/㎡.s

350-400

Max.Pore Size

μm

78

Average Pore Size

μm

73

Burst Strength

kPa

≥400

Stiffness

mN.m

≥10.0

Corrugation Depth

mm

0.3-0.35

  Remarks:

  1.Test Conditions:temperature23±1℃,Humidity:50±2%.

  2.The testing area for grammage test is 0.01㎡.

  3.Air permeability Test:△p=200pa:Area of the test plate=20cm².

  4.Bubble method:The max.pore size is the figure corresponding to the pressure difference when the first bubble appears.

  5.Stiffness test:Taber.