... properties of high remanence,coercivity,and Max.energy product.ndfeb rare earth magnet grade:N35,N38,N40,N42,N45,N48, ... weight loss less than 2 mg/cm2ndfeb rare earth magnet applications:loudspeakers,motor assemblies,windmill,Home appliance,acousics,communication ... and linear motor,mircrophonesPros: Very strong hold when contacting another magnet or plain iron, very difficult to pull away (easy ...