Specification for vehicle filter paper: 1) weight: 115-125gsm 2) thickness: 0.38mm 3) air permeability (200pa l/100cmª.Min): no less than 350 4) burst strength (kpa): no less than 450 5) resin content (%): 20~22 6) maximum pore size: 90 7) mean pore size: 75 8) paper color as requested 9) roll length and roll inner pore diameter as requested 10) plain paper or corrugated paper as requested Kraft paper (standard can at your request)