N45 ring permanent magnet high (Br), high (Hcj) & high (BH), disc, N33-N45, 30M- ... N45 ring permanent magnetWe are well equipped to manufacture these materials to customers' specifications. Product Description Material Grade of NdFeB magnet: Magnet N ... , N33SH, N35SH, N38SH, N40SH, N42SH,N45SH), working temperature:150 deg. Magnet UH-( N30UH, N33UH, N35UH, N38UH,N40UH), working temperature:180 deg ...