... Guaranteed quality Reduced iron powder1.Merchandise name:powder,iron product,bronze powder,reduced iron powder, metal powder,fe powder,iron powder,nano-powder,magnet, ... up to 8000-12000 hours.3.Can resist high temperature or wear, while using it won ... hardness!9.Can match with the magnetic powder brake and clutch from home and abroad, ... no corrosion spots. Reduced Iron powder for making metallurgy parts