Model Number: ZMK Features: 1) Good air permeability 2) Highly efficient dust filter 3) Long lasting 4) Applications: automobiles, tractors, press machines, gas engines, air filters ... Specifications: 1) Width: 1050mm/roll 2) Length: 600±10m/roll 3) Basis weight (g/m2): 123±5 4) Thickness (mm): ≥0.45 5) Air permeability 1/m2.mm: ≥500 6) Pore size maximum (um): ≤100 7) Pore size mean (um): ≤86 8) Bursting strength (kpa): ≥230 9) Resin content (%): ＞18