Great Magtech (Xiamen) Electric Co., Ltd.  

Product Name: Block Magnet Powerful Magnets for Neodymium Magnets Experiments Model NO.: N42 Grade: N42 Coating: Nickel Shape: Block Application: Speaker Magnet, Industrial Magnet, Solenoid, Motor Magnet, Generator Magnet Product Name of Block Magnet: Neodymium Block Magnet Small Powerful Magnets Envrionment Management System: ISO9001/14001 Certificate of Block Magnet: Ce/RoHS/SGS Tolerance of Block Magnet: +/- 0.05mm Model Number of Block Magnet: N42 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: Carton, Wood Case, Anti-Magnetized Package Specification: F5x5x5mm Origin: Zhejiang Ningbo/ Fujian Xiamen HS Code: 850511100 Product Description Standard sizes ship within 2 weeks. custom-made size and grade are always available.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.The Earth itself is a huge permanent magnet, though its magnetic field is quite weak relative to its size.Humans have used the magnetic field of the Earth for navigation since the compass was invented in ancient China.Even the most powerful permanent magnet is not as strong as the strong electromagnets, so their applications are limited,but they still have very widely application, magnets can be found everywhere,including your hard disk, ATM and credit cards, speakers and microphones, electric motors, and toys.Every permanent magnet generates a magnetic field, which circulates around the magnet is a distinct pattern.The size of the magnetic field is related to the size of the magnet and its strength.GMEMagnets offers the highest quality Neodymium magnets with consistent performance and lowest price.Our Neodymium magnets are designed and manufactured to meet withquality standards using the latest technology.Here introduce a super strong permanent magnet that very popular in European magnet mareket, especially in German.SpecificationF5*5*5mmMaterial GradeNeodymium N42Length5mmWidth5mmThickness5mmCoatingNiCuNiColorSilver ToneMagnetized directionthrough thicknessPull strength / Magnetic Force3KGMOQ30000pcsLeading Time18-23 working daysSampleYesCertificateISO2000, TS16949, RoHS, CE & SGSPaymentT/T, PayPal, Western UnionMagnetic Characteristicsof N42GRADERemanenceCoercive ForceIntrinsic CoerciveMax Energy ProductWorking Temp.(Br)(bHc)(iHc)(BH)maxTw(ºC)TKGsKA/mKOeKA/mKOeKJ/m³MGOeN421.28-1.3412.8-13.4≥923≥11.6≥955≥12318-34240-43≤80