non-woven fabric PP, Polyster filter bag 1. higjh Filtering precision ... filter surface, 100%filter efficiency.Main product as follow: Nylon: Acid resistance, solvent resistance, limit temp is 150°C ... according to your requirement.2.The protect layer of nylon or polyester, can effectively intercept the non-woven fabric ... effectively absaugen pigment and odour. multi-efficient fiber, PP, nylon Filter Bag