Resistant burning filter paper:
Using pasenger car and heavy duty car filter air.
Model
Name
Unit

Stanard
NPAT4102PA
Gramage
G/M2
GB451.2-2002
138
Thickness

Mm
GB451.3-2002
0.55
Corrugation depth
Mm
GW001-2005
Non cured burst strength
Kpa
GB/T454-2002
300

Cured burst strength
Kpa
GB/T454-2002
Non cured gurley stiffness
Mgs
QB/GW002-2005
2500
Cured gurley stiffness
Mgs
QB/GW002-2005

Air permeability
L/m2/S
QB/GW003-2005
230
Max pore size
Mm
QB/GW004-2005
63
Mean pore size
Mm
QB/GW004-2005
51
Resin content
%
QB/GW005-2005
20
Volatiles
%
QB/GW006-2005
4.0