This is a relatively large ring magnet, made of sintered ferrite, with an outer diameter of 220mm, a middle hole of 110mm and a thickness of 20mm. Compared with neodymium magnets, it has a high cost performance ratio and greater scope of work. It can be used in experiments, industry, mechanical equipment, electroacoustics and other fields. You are welcome to consult with the Courage magnet manufacturer (in China) about the price. There is a certain price advantage in purchasing from us.
220 x 110 x 20 mm annular ring ferrite suction test;

We are a real ferrite magnet factory, any shape and size can be customized, can be processed into large, can also be processed into very thin, look forward to your inquiry.
Other relatively large annular ferrite sizes;
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....