... :Nickel shape:block,segment size:according to your need ndfeb rare earth magnet mainly comprised of neodymium ,iron and boron,is ... excellent properties of high remanence,coercivity,and Max.energy product.ndfeb rare earth magnet grade:N35,N38,N40,N42,N45,N48,N50, ... 200c)N30AH,N33AH,N35AH(Max.operational temperature:up to 230c)ndfeb rare earth magnet Outsanding product:1)high performance:N52,N48M,48SH, ...