China High Performance of Irregular Hardware Tile Shape NdFeB Magnet for Motor, Find details about China Motor Magnet, High Performance from High Performance of Irregular Hardware Tile Shape NdFeB Magnet for Motor
project ccoating | Coating thickness | color | Service temperature | PCT | Damp heat resistance | Salt fog resista-nce | Corrosion resistance |
Blue white zinc | 8-15μm | Bluish white | ≤160ºC | >48hr | general | ||
Color zinc | 10-15μm | Iridescent | ≤160ºC | >72hr | general | ||
Nickel | 20-30μm | silvery | ≤200ºC | >500hr | >500hr | >200hr | excellent |
Ni-Cu-Ni | 20-30μm | silvery | ≤200ºC | >48hr | >500hr | >72hr | good |
Ni-Sn | 20-30μm | silvery | ≤160ºC | >96hr | >500hr | >72hr | good |
epoxy | 10-30μm | black | ≤120ºC | >48hr | >500hr | >96hr | excellent |
Phosphating | 1-3μm | Black gray | bad | ||||
Ni-Au | 10-20μm | Golden | >96hr | >500hr | >72hr | excellent |