1 long service life , 2 high efficiency , 3 better stiffness, 4 optional colors 5 sell at breakdown price

specifications of air filter paper

 

Item	Air filter paper for light car	Air filter paper for heavy duty car
Basis Weight(g/m2)	125±5	140±5
Thickness(mm)	0.4-0.45	0.5-0.55
Corrugated Depth(mm)	≥0.25	≥0.25
Burst Strength(Kpa)	≥230	≥300
Stiffness(mμm)	≥8	≥12
Air Permeblity(ΔP=200paL/m2*S)	390±30	300±30
Maximum Pore Size(μm)	80±5	70±5
Resin Content(%)	21±0.5	23±0.5

auto wood/cotton pulp air filter paper