Great Magtech (Xiamen) Electric Co., Ltd.  

Product Name: Strong N40 NdFeB Rare Earth Block Magnet Model NO.: N40 Grade: N40 Coating: Nickel Shape: Block Application: Speaker Magnet, Industrial Magnet, Solenoid, Motor Magnet, Generator Magnet Envrionment Management System: ISO9001/14001 Product Name of Block Magnet: Strong N40 NdFeB Rare Earth Block Magnet Certificate of Block Magnet: CE/RoHS/SGS Tolerance of Block Magnet: +/- 0.05mm Model Number of Block Magnet: N40 Magnetization Direction of Block Magnet: Axial/Radial/Multi-Poles Magnetization Working Temp. of Block Magnet: 80-200 Degree Centigrade Transportation of Block Magnet: by Sea, by Air, by Express Payment: T/T, Paypal, Western Union Lead Time of Block Magnet: 15-25days Trademark: GME Transport Package: as Client's Request Specification: F6.35x6.35x25.4mm Origin: Zhejiang Ningbo/ Fujian Xiamen HS Code: 850511100 Product Description A permanent magnet is that a magnet that is permanent, in contrast to an electromagnet,which only behaves like a magnet when an electric current is flowing through it.Permanent magnets are made out of substances like magnetite (Fe3O4),the most magnetic naturally occurring mineral or neodymium, Samarium cobalt, a powerfully magnetic synthetic substance.