FAQ

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Magnet strength can be determined by using a gauss meter or hysteresis graph. But, most important is to test the magnet in the application where possible. If your magnet is being used in a motor, then you will want to test the flux density of the entire magnetic assembly using a coil, or measuring torque. If your magnet is being used in a holding application, then testing pull or shear force will be required. Selecting the correct magnet at the beginning is very important, but making sure the magnet is performing according to your specification each time will determine the appropriate test needed.

Always wear a pair of gloves. When you are going to separate one magnet from the other magnet(s), put the magnets on a durable non-metal surface of a stable table with the magnet to be separated hanging off the edge of the table. Use one hand to firmly hold the other magnets on the table. Use the other hand to hold the magnet you are separating firmly. Push it down and away from the other magnets until you no longer feel any magnetic attraction. Note that whenever we ship magnets with strong strength, we always include a safety guideline in handling the products in the package. Please read the instruction first. Please contact us, if you have any questions in that regards.

Yes, if unmagnetized, you can easily to machine the magnets with the right tools, like diamond drill bit or EAD machine. But if the magnets are already magnetized, you need to keep the magnet cool during the machining process. Also since the magnets are fragile, the machine process should be slowly done.

Our pull strength is tested under ideal conditions, so in real life applications you probably will not achieve the same strength. The Pull Force we measure shows how much weight it takes to pull the magnet off a piece of steel when in between 2 pieces of steel. If the application uses just a magnet to metal application then the pull force is about half of what we show. You can probably get a few more pounds but you probably won’t get the same results we achieve under perfect conditions.

The pull strength of our magnets is measured by how much force it takes to pull the magnet off a steel plate when in between 2 steel plates.

Yes, we have the capability to produce magnets to your specification in NdFeB, SmCo, AlNiCo, Ferrite, and rubberized magnet materials. You can contact us for more details .

Neodymium magnets are the strongest materials available, and range in strength from 35 mgo to 55 mgo. But the more important question should be “what is the correct magnet strength that I need for my application?” Call one of our technical sales people to understand what material strength may be...

There are no known health risks caused by being exposed to neodymium magnets. There can be issues if the person has a pacemaker, so you should consult your doctor for information on this. Some people actually believe magnets can have health benefits and help the healing process. There are...

In general, if you have selected the correct magnet for your application, you should not see any demagnetization of a magnet. However, some of the factors that can cause demagnetization are exposure to very high and low temperatures, another magnetic force, or shock. If you are unsure of the...

Yes. Neodymium magnets are sensitive to heat. There are two temperatures which are critical to the neodymium magnets, i.e. the operating temperature and the curie temperature. For example, the maximum normal operating temperature is 175 F (80 C) for standard N-series grades. If the magnets are...