Neodymium Ring Magnets

Neodymium Ring Magnetsmainly comprised of neodymium ,iron and boron,is the third generation of the rare-earth permanent magnets,Sintered Ndfeb is the strongest permanent magnets in the world up to date,It has excellent properties of high remanence,coercivity,and Max.energy product. Neodymium Ring Magnetsgrade: N35,N38,N40,N42,N45,N48,N50,N52(Max.operational temperature:80c) N33SH,N35SH,N38SH,N40SH,N42SH(Max.operational temperature:150c) N28UH,N30UH,N33UH,N35UH,N38UH(Max.operational temperature:up to 180c) N28EH,N30EH,N33EH,N35EH(Max.operational temperature:up to 200c) N30AH,N33AH,N35AH(Max.operational temperature:up to 230c) Neodymium Ring MagnetsOutsanding product: 1)high performance:N52,N48M,48SH,42UH,38EH,33AH 2)high working temperature:the AH series with 40 k Oe super-high coervice force can replace SmCo magnets successfully. 3)high consistency:the cpk of Br and Hcj are much higher than 1.67 the consisitency of surface magnetic field and magnetic flux can be controlled with +/-1% 4)High Anti-corrosion:the sale spray test and humid heat test of the high anti-corrosion coating could be more than 1000 hours 5) low weight loss PCT:130c ,humidity 100%,vapor pressure 2.7 bar.20 days,average low weight loss less than 2 mg/cm2 Neodymium Ring Magnetsapplication: permanent magnet motor,cars,communication,electron,magnetic machines,aerospace,computers,toy,package,mobile accessory,wind power,sensor,loudspeaker. you are welcome to enquiry on ourStrong Neodymium Ring Magnets