... of high remanence,coercivity,and Max.energy product. rare earth product grade:N35,N38,N40,N42,N45,N48 ... .operational temperature:up to 230c) rare earth product Outsanding product:1)high performance:N52,N48M,48SH,42UH,38EH ... 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 hours5) ...