... ,Ring,etc 3.Grade:N35 to N52,M,H,SH,UH,EH,AH,etc 4.RoHS,SGS Sintered NdFeB magnet 1.Certificate:TS16949 ... ,ISO,SGS2.Grade:N33-N52 33H-35EH and so on 3.Size:as customers' requirementsDetailed:1. Material:Sintered Neodymium ... 200 degree centigrade or 380 curie temperature; 3. Grade:N33-N52,33M-48M,33H-48H,30SH-45SH,30UH-38UH and 30EH ...