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Look for cheap super large annular ferrite and big horn magnetic ring. Welcome to contact the courage magnet manufacturer in China. Today, we bring this super large ring with an outer diameter of 260mm (10 inches), an inner diameter of 140mm, and a thickness of 25mm. It is Y30 grade, weighs about 4522g, and has a thickness of 30mm. Customers are welcome to inquire about the factory price.
Ferrite magnet is a kind of metal oxide with ferromagnetism. As far as electrical properties are concerned, the resistivity of ferrite is much higher than that of metal and alloy magnetic materials, and it also has higher dielectric properties. The magnetic properties of ferrite also show high permeability at high frequency. Therefore, ferrite has become a widely used non-metallic magnetic material in the field of high-frequency weak current. It belongs to non-metallic magnetic materials and is a composite oxide (or ferrites) of magnetic iron oxide and one or more other metal oxides. The magnetic force is usually 700-1200 Gauss, which is often used for speakers, speakers and other instruments.
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