... Ni, epoxy, High grade canbe used, as N38SH, N38, N42, N45 etc. 1.Product: Sintered NdFeB / NdFeB magnet / Rare Earth ... ..characteristics:* High Permanence * High Coercive Force * High Magnetic Power7..Availability of the product:Small and special electrical machines,permanent magnet meter,electronia ... 6,000 gauss3) Coatings of magnets: Zn, Ni, epoxy4) High grade can be used, such as N38SH, N38, N42, ...