Neodymium Magnets Coatings – China Rare Earth Magnet Limited

Coatings of Neodymium Magnets 

Material: Sintered Neodymium Magnets

Coating: NiCuNi, Zn, Black Nickel, Sn, Au, Ag, Cr, Black Epoxy, Passivated, Phosphating, NiCuNi + Epoxy, Zn + Epoxy - All meet the RoHs requirements.

Grade: N35-N52, N30M-N50M, N30H-N48H, N30SH-N45SH, N28UH-N40UH, N28EH-N38EH 

Surface Protection

*Neodymium iron boron magnets are frequently exposed to air, easy to be rusty, so clients usually order the magnets with coating for corrosion protection.

*Magnets are frequently chipped, sharp edged, brittle when stressed during assembly. m

Manufacturing Process of Plating

Pre-treatment(Polishing, Alkaline, Degreasing, Ultrasonic, Cleaning, Acid, Dipping, Acid, Dipping, Activation, Cleaning) — Plating — Post-Treatment(Out-trough, bright, Dipping, Passivation, Drying) — Waste Water of Electroplating — Water Pool — Precipitate Pool of Reaction — Sludge Drying Trough — Treated by Waster water Processing Station

Sales Team of China Magnet Neodymium– China Rare Earth Magnet Limited