There are various points that one should consider when buying a rare earth magnet. The following information will help a person to get the kind of magnet and form which best suits his or her needs. To discover more details about rare earth magnets you may check here https://www.rochestermagnet.com/rare-earth-magnets.
Image Source: Google
Neodymium is the strongest type of rare-earth. It is not expensive to purchase and is commonly used in power tools and to make jewelry clasp and hard drives. It has a high magnetic field strength but low Curie temperature.
Samarium Cobalt is not cheap, but they are ideal if one needs a rare-earth that can hold up to a lot of heat. Samarium Cobalt the first rare earth magnets made using allows more than one type of metal.
Before buying a magnet, we must determine the class and make sure that it fits. Each magnet must have the value stamped on it; this class consists of letters and numbers, ie 33H or N35. The higher the number, the more fragile the magnet will. The letter indicates the operating temperature class.
The magnetic shape determines how strong the magnet and what can be used for. Rare earth comes in various sizes, but most are quite small. This magnet can be circular, rectangular, horseshoe-shaped, bar-shaped, cylindrical, spherical, or made into a small tube.
Bar-shaped is weaker than other forms of magnetism. As they are used as fasteners cabinet and/or refrigerator magnets. Long magnetic bar palm of a person can be used to remove the hard drive; This is done by simply passing a magnet over the drive.