Product Name: F50x50X5mm Rare Earth N52 Block Magnet Model NO.: N52 Grade: N52 Coating: Nickel Shape: Block Application: Speaker Magnet, Industrial Magnet, Solenoid, Motor Magnet, Generator Magnet Product Name of Block Magnet: F50x50X5mm Rare Earth N52 Block Magnet Envrionment Management System: ISO9001/14001 Certificate of Block Magnet: CE/RoHS/SGS Tolerance of Block Magnet: +/- 0.05mm Model Number of Block Magnet: N52 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: F50x50x5mm Origin: Zhejiang Ningbo/ Fujian Xiamen HS Code: 850511100 Product Description 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.SpecificationF50x50x5mmMaterial GradeNeodymium N52Length50mmWidth50mmThickness5mmCoatingNiCuNiColorSilver ToneMagnetized directionthrough thicknessPull strength / Magnetic Force22.34KGMOQ500 pcsLeading Time18-23 working daysSampleYesCertificateISO2000, TS16949, RoHS, CE & SGSPaymentT/T, PayPal, Western UnionMagnetic Characteristicsof N52GRADERemanenceCoercive ForceIntrinsic CoerciveMax Energy ProductWorking Temp.(Br)(bHc)(iHc)(BH)maxTw(ºC)TKGsKA/mKOeKA/mKOeKJ/m³MGOeN521.42-1.4814.2-14.8≥836≥10.0≥876≥11390-42249-53≤80