150x25 mm Strontium Ferrite Slab Magnets, Thickness: 25 mm, Y 30BH. Ferrite magnets also have superior corrosion resistance and excellent temperature stability. Ferrite Magnet Bar,Ferrite Block Magnet,Grade 3 Ferrite Magnet Block 0.02 - 0.20. 40x25 mm Ferrite Rectangular Magnet, Thickness: 6 mm, Y 30BH. Composed of iron oxide & barium or strontium carbonate. Large magnets are utilized by sweeping and separation application, then smaller magnets are commonly used in various hand crafts for holding purposes. This grade 5 ceramic block magnet measures 1.875 L x 0.875 W x 0.387 THK. In the figure, there is the ironiron carbide. The primary phase of low-carbon or mild steel and most cast irons at room temperature is ferromagnetic -Fe. Ferrite block magnet can be supplied in a wide range of dimensions and have always been a low cost option to many areas. Ferrite or -ferrite is a body-centered cubic structure phase of iron which exists below temperatures of 912☌ for low concentrations of carbon in iron. Ferrite block magnets, otherwise known as ceramic block magnet which is a type of permanent magnets made of Barium carbonate or Strontium carbonate and iron oxide. Ceramic (Ferrite) (C8 grade 3) high operating temperature square block magnet - excellent resistance to demagnetisation and corrosion at unbeatable value. They are charcoal gray in color and usually appear in the forms of discs, rings, blocks, cylinders, and sometimes arcs or segments for motors. Ceramic (ferrite) magnets are composed of SrO or BaO and Fe2O3.
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