... 5% Permeability200 L/dm2.min Porosity84%Note1, The P84 bag filter fabric finishing process for this product include thermal setting, ... from Germany: DILO,BRUCKER,OSTOFF .4.Not only P84 bag filter ,We can also make : PET,PP,PPS,GLASS FIBER ... for housetop waterproof,nylon nonwoven lining,ping pong hotmelt,dust collector filter cloth and fiter bagsOperational AddressHuaxin Industrial Park, Niancuopu, ...