Coating
Coating Options of Neodymium Magnets
Nickel:Ni + Cu + Ni, total thickness of the coating Ni + Cu + Ni is>= 10 Micron
Silver:Ni + Cu + Ni + Ag, total thickness of the coating Ni + Cu + Ni is>= 10 microns, Ag is 1 ~ 2 microns
Gold:Ni + Cu + Ni + Au, total thickness of the coating Ni + Cu + Ni is>= 10 Micron, Au is 1 ~ 2 Micron
Epoxy:Total thickness of the coating is>= 10 Micron
Zinc:Total thickness of the coating is>= 6 Micron
Tin:Ni + Cu + Ni + Sn, total thickness of the coating: Ni + Cu + Ni + Sn is 10-12 Micron
Chromium :Ni + Cu + Ni + Cr, total thickness of the coating Ni + Cu + Ni is>= 10 microns, Cr is 1 ~ 2 microns
coatings and surfaces of neodymium magnets
| Interface | Type | minimum layer thickness | Surface Color | Properties |
| Neutralization | <= 1μ | Silver Gray | temporary protection | |
| Nickel | Ni + Ni | 10-20μ | silvery silver | excellent resistance in humid environments |
| Ni + Cu + Ni | excellent resistance in humid environments | |||
| Zinc | Zn | 8-20μ | Blue White glossy glowing color | good saltwater resistance |
| C-Zn | excellent saltwater resistance | |||
| Tin | Ni + Cu + Sn | 15-20μ | Silver satin | excellent resistance in humid environments |
| Gold | Ni + Cu + Au | 10-20μ | shiny gold | excellent resistance in humid environments |
| Copper | Ni + Cu | 10-20μ | shiny gold | Temporary treatment |
| Epoxy | Ni + Cu + Epoxy | 15-25μ | Black | excellent climate and saltwater resistant |
| Zn + Epoxy | ||||
| chemical coating | Ni | 10-20μ | silvery silver | excellent resistance in humid environments |