Wool felt is used as Oil-Filter, Seals, Pads and Gaskets in mechanical machine,Chemical industries,Electronics, Home Appliance, Textiles, Vehicles, Shipbuilding,Army products,Energy Sources, Electrical Wires, Minerals, Construction Industry and non-ferrous metal industry. Also have the function for Oil-filter, Anti-Static, Insulation Pad, Quake-proof, Dust-proof, Warm-keeping, sound-absorbing. Material:100% Wool Density(g/cm3): 0.09-0.44 Thickness(mm): 0.5-40 Color: For buyers request Pattern: For buyers request.