... .High temperature and wear resistance 3.good hardness and durable Magnetic Powder Major components - iron, cobalt, nickel Features:1. The ... has good hardness!7. Can match with the magnetic powder brake and clutch from home and abroad, after use it is ... machinery, food machinery, bag making machinery, restore the tension of magnetic clutch,Brakes, uniaxial, biaxial, hollow shaft, etc. and balance the ...