Property

Unit

Numerical Range

Grammage

G/㎡

125-130

Thickness

mm

0.5±0.05

Air Permeability

L/㎡.s

320-360

Max.Pore Size

μm

80

Average Pore Size

μm

74

Burst Strength

kPa

≥220

Stiffness

mN.m

≥3.5

Corrugation Depth

mm

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  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.