burnt dolomite powder are various points that one should consider when buying a rare earth magnet. The following information will help a person to get the magnet type and shape that best suits his or her needs.

Neodymium is the strongest type of rare earth. It is not expensive to purchase and is commonly used inside power tools and to make jewelry clasps and hard drives. It has a high magnetic field of strength but a low Curie temperature.

high quality dolomite powder​ are not cheap, but they are ideal if one needs a rare earth that can hold up to a lot of heat. Samarium Cobalt were in fact the first rare earth magnets to be made using an allow of more than one type of metal.

Before buying a magnet, one should determine the grade and make sure that it is suitable. Every magnet should have a grade stamped onto it; this grade consists of both letters and numbers, i.e. 33H or N35. The higher the number is, the more brittle the magnet will be. The letter denotes the class of operating temperature.

The Rare Earth of the magnet determines how powerful the magnet is and what it can be used for. Rare earth come in many different sizes, but most are quite small. These magnets can be circular, rectangular, horseshoe shaped, bar shaped, cylindrical, ball shaped or made into small tubes.