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Sintered Neodymium Iron Boron was introduced in 1980. This material offers the highest Energy Product (BHmax) commercially available today and typical applications include high performance sensors and ignition coils, miniaturized DC motors, linear actuators, MRI and wind energy turbines.

The latest grades have reached Energy Product levels of 55MGOe (438kJ/m3) and HcJ values greater than 35kOe (2786kA/m), permitting applications up to 200°C and more. But at any temperature, depending on the magnet’s geometry and the magnetic circuit design, a certain level of irreversible losses may occur in addition to the irreversible losses given by the Temperature Coefficient of Br.

Despite constant improvement, NdFeB remains susceptible to corrosion and protective coating is always recommended. Depending on the operating environment, CS Magnets can offer the more appropriate coatings such as Passization, Zn, Ni+Cu+Ni, Epoxy resin and many others.

NdFeB magnets follow a powder metallurgy manufacturing process where the alloy is melted from the raw materials, crushed, milled, pressed under orientation field, sintered, machined to the final shape then coated and magnetized.
CS Magnets provides a complete range of sintered NdFeB grades, standard or fully customized.

Some examples of the most common grades that we are capable to offer:

Compression-moulded NdFeB offers the advantage of wide finished shaping possibilities, without machining operations even on thin and precise areas.

This material is not oriented (isotropic) and therefore unbeatable in multi-pole configurations, specially if miniaturized.

It is a frequent choice for servomotor applications, and it is often combined with additional moulding on metal parts.

Because of the NdFeB powder content, it is still susceptible to corrosion, therefore a protective coating is generally required.

For this specific material, we strongly recommend Epoxy resin.

Some examples of the most common grades that we are capable to offer:

Probably on the most significant among the latest developments in magnetic materials, plastic-injected Neodymium magnets are obtained from NdFeB powder in conjunction with a plastic binder, usually PA6, PA12 or PPS. Hybrid compounds can also be developed on request.

Its typical plastic injection process permits complex miniaturized shapes with high precision, and direct moulding combined with other components such as metal inserts, shafts and rotors is possible. When required additional machining is easily provided.

Another great advantage is the magnetizing versatility, from partial area magnetization to multi-pole axial, radial and polar patterns.

These magnets are particularly recommended for high precision applications such as computers, instruments and medical devices.

Some examples of the most common grades that we are capable to offer:

Probably on the most significant among the latest developments in magnetic materials, plastic-injected Ferrite magnets are obtained from NdFeB powder in conjunction with a plastic binder, usually PA6, PA12 or PPS. Hybrid compounds can also be developed on request.

Its typical plastic injection process permits complex miniaturized shapes with high precision, and direct moulding combined with other components such as metal inserts, shafts and rotors is possible. When required additional machining is easily provided.

Another great advantage is the magnetizing versatility, from partial area magnetization to multi-pole axial, radial and polar patterns.

These magnets are particularly recommended for high precision applications such as computers, instruments and medical devices.

Some examples of the most common grades that we are capable to offer:

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