... Coatings of magnets: Zn, Ni, epoxy, High grade canbe used, as N38SH, N38, N42, N45 etc. 1.Product: ... look forward to your support and co-operation!Huge block type of sintered rare earth NdFeB magnets with ... stable performance can be used in industry equipment.Features:1) Largest size: 220 ... : Zn, Ni, epoxy4) High grade can be used, such as N38SH, N38, N42, N45, N40h etc.