Specification for air&oil filter paper:
1) weight: 120-145gsm
2) thickness: 0.45mm
3) air permeability (200pa l/100cmª.Min): no less than 450
4) burst strength (kpa): no less than 270
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
