Specifications for air filter paper:
1) Weight: 120-145gsm
2) Thickness: 0.45mm
3) Air permeability (200Pa L/sqm.sec): no less than 380
4) Burst strength (KPa): no less than 190
5) Resin content (%): 20~22
6) Maximum pore size: 90
7) Mean pore size: 75
8) Corrugated depth (mm): 0.25
9) Paper color: as requested
10) Roll length and roll inner pore diameter: as requested
11) Plain paper or corrugated paper: as requested

Specifications for oil filter paper:
1) Weight: 120-145gsm
2) Thickness: 0.45mm
3) Air permeability (200Pa L/100cm2 min): no less than 450
4) Burst strength (KPa): no less than 200
5) Resin content (%): 20~22
6) Maximum pore size: 90
7) Mean pore size: 75
8) Corrugated depth (mm): 0.25
9) Paper color: as requested
10) Roll length and roll inner pore diameter: as requested
11) Plain paper or corrugated paper: as requested

Specifications for fuel filter paper:
1) Weight: 120-145gsm
2) Thickness: 0.45mm
3) Air permeability (200Pa L/100cm2min): no more than 160
4) Burst strength (KPa): no less than 350
5) Resin content (%): 20~22
6) Maximum pore size: 90
7) Mean pore size: 75
8) Corrugated depth (mm): 0.25
9) Paper color: as requested
10) Roll length and roll inner pore diameter: as requested
11) Plain paper or corrugated paper: as requested