This is a special plated magnets, is epoxy coating and the color is bright black. The specification is 20mm diameter and 3mm thickness. This sample is a disc magnet made of rare earth neodymium which has a strong power is about 2210Gs. The direction of magnetization is axial, also named thickness magnetization. This sample is N52 grade, but we can choose N35/N38/N40/N42/N45/N48/N50/N52 and so on, the grade due to the requirment of customer. The tolerance is ±0.05mm and working temperature is 80℃(highest 220ºC for neodymium material).
The appilication of 20mm x 3mm Thick Strong Disc Round Black Neodymium Magnet:
The epoxy coating make magnet has better oxidation and corrosion resistance, it is widely use in permanent magnet motor, wind power energy, magnetic power machine, automotive industry, audio-visual equipment, electronics industry, IT information, medical equipment, mining equipment, industrial automation, sports equipment, power tools, electrical appliances, watches, glasses, toys, LED lighting, security equipment, luggage leather, computer mobile phone protective cases, hardware and plastics and other fields that need magnetic force.