... iron powder1.Merchandise name:powder,iron product,bronze powder,reduced iron powder, metal powder,fe powder,iron powder,nano-powder,magnet,ferrite coresMain ... Saturation intensity is 0.9 - 3.5T, particle size 20-60μ, particle size distribution uniformly.5.It’s crystal form, specific ... good hardness!9.Can match with the magnetic powder brake and clutch from home and abroad, after ...