Oil-Air Filter Paper Specifications: 1) Weight: 127g/sqm 2) Thickness: 0.4mm 3) Air permeability : 250L/M2*S Oil-Air Filter PaperSpecifications:1) Weight: 127±6g/sqm2) Thickness: 0.4mm3) Air permeability : 250L/M2*S4) Corrugated depth (mm): 0.1-0.35) Burst strength (KPa): not less than 2606) Maximum pore size: 807) Paper color as requested8) Roll length and roll inner pore diameter as ...