... and Max.energy product. Industrial Magnet grade:N35,N38,N40,N42,N45,N48,N50,N52(Max.operational temperature: 80c)N33SH,N35SH, ... to 200c)N30AH,N33AH,N35AH(Max.operational temperature:up to 230c) Industrial Magnet Outsanding product:1)high performance:N52,N48M,48SH, ... 42UH,38EH,33AH2)high working temperature:the AH series ...