Application, Heavy duty air filter Spec.No., Ca-a3145-w02-c Resin system, Acrylic Property, Value,Unit Grammage,145,0„3,0†85,G/m 2 Thickness,0.51,0„3,0†80.05,Mm Air permeability,320,0„3,0†830,L/m 2 .Sec Max. Pore size,76,,0„7,0ˆ0m Average pore size,65,,0„7,0ˆ0m Burst strength,320,Kpa Stiffness,4.2,Mn.M Corrugation depth,0.23,Mm Plastic film, craft paper , plastic film