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The multi-pole 6-pole sintered ferrite ring magnet is a circular magnet with a hole, the grade is Y30, the specific size is 25mm outer diameter, 13mm inner diameter, and 5mm thickness. The direction of magnetization is radial 6 pole, or axial magnetization can be selected. Gauss is less than 2000Gs. Ferrite magnets have no coating, the color is black, and the tolerance is generally ±0.1mm. But sometimes we can strictly control tolerances, if the shape is simple, or if there are special needs.
In general, ferrite magnets do not need to be coated or electroplated to seal, depending on the excellent oxidation resistance and corrosion resistance of ferrite. Moreover, ferrite magnets have good high temperature resistance and can work at a high temperature of 250 ° C without affecting performance. It is a good option to reduce costs. If your magnet strength requirements are less than 2000Gs, ferrite rings are also a good choice. Generally can be widely used in loudspeakers, audio, motors, fans, toys and crafts, is currently the most widely used permanent magnet material.
If you need other sizes of ferrite ring magnets, you can contact us directly, thank you.
More other shape sintered ferrite magnet：
Round ferrite magnet with small holes Dia 20x25x30 mm
Thickness 3mm Ferrite Circular Disc Magnets
Small block ferrite magnet Y30BH L2mm x 1.5 x 2mm
Ferrite grade, sintered ferrite magnetic property parameter table
NdFeB magnet grade, Sintered neodymium magnet performance grade parameter table
Neodymium(Ndfeb) Magnet Material Safety Data Sheet
Sintered Ferrite Material Safety Data Sheet Pdf
Magnetic properties grade parameters of smco rare earth magnets
This ferrite ring magnet is manufactured using high-temperature sintering technology, featuring an outer diameter of 8mm, a 3mm square center hole, and a thickness of 3mm....
To buy round ferrite magnets, welcome to contact Courage permanent magnet manufacturers in China, our company has many sizes of ceramic round, block, arc, hole ferrite magnets, factory direct sales, low price, welcome Inquiries from customers all over the world....
This is a radial 2-pole ferrite rotor magnet, the outer diameter is 9mm, the height is 10.4mm, the inner hole is oval, it has low cost, high temperature resistance, and the maximum surface magnetic field strength is about 1130 Gauss. Welcome to consult the sample and price....
7.4x6x5mm Ferrite Small Block Magnet Introduction，Material: Hard Ferrite (Ceramic)，Shape: Block / Rectangle / Bar，Coating: No Coating，Grade (Chinese Stardard): Y30，Operating temperature: -40°C to 250°C，Delivery time: 7-15 days，Magnetization direction: thickness....
The sample is a regular radial magnetized ferrite circular magnet with a diameter of 5mm, a thickness of 2mm, a black surface, and an anisotropic grade. It is magnetized radially and has strong side magnetism, with a surface magnetic field intensity of about 750 Gauss....
This product is a round ferrite magnet with a diameter of 10mm and a thickness of 5mm, produced in China, without any surface treatment, axial magnetization, performance level Y30. Single/double chamfering, spray painting and baking varnish can be customized according to customer requirements. Welcome to inquire about samples and prices....
This is a rectangular block magnet used on the door magnetic alarm. The material is ceramic ferrite. The size is 25mm in length, 6mm in width and thickness. It is magnetized in the length direction, and the strong magnetic surface is 6x6mm....
This is a ferrite bar magnet approximately 6 inches in length, with dimensions of 150×50×10mm. It is made from sintered ferrite material (Y30) and features excellent high-temperature resistance and stable magnetic properties....