Speakers  Alnico MagnetSpecification1.Material: aluminum, nickel, cobalt, copper, iron and sometimes titanium2. Excellent strength value: magnetic flux density temperature up to 600°C3.Shape:Ring,Block,Cylinder,Bar,etc4.Size:according to your requirement5.Tolerance : +/-0.05mm for small dimensions, +/-0.1mm for common specifications, +/-0.15mm for big blocks6.Direction of magnetization : Magnetized along thickness, axial magnetized and diametrical magnetized7.Coating :Nickel, Zn, Black Epoxy, Black Nickel , Nickel -Cu-Nickel, Ag, Au etc.8.Application: guitar,sensors and meters, electronics, instruments, medical instruments, teaching, automobile, aviation, martial and other applications. AlNiCo advantage1.Compact crystal, high intensity, good chemistry Stability, strong anti-corrosion.2.Even elements, excellent and stable magnetic performance;3.Excellent temperature stability (temp. coefficient of Br is the smallest among all of the other permanent magnets.)4.Highest usage temperature reach 500ºC 5.Suitable for small volume and complex shape and magnet assemble for sintered Alnico The information of Motor Alnico Magnet are as follows:Size:By customizedShape:Block, Cylinder,Ring, Arc, Bar or customizedDelivery time:25-30 daysPackage:33X26X23CM Standard export package