N40 20x15mm round magnets MOQ500pcs
Super Neodymium Magnet Made of neodymium, the most powerful magnet material in the world. Super magnets are great for projects that require extreme strength in a small size. Magnets are brittle and can chip if dropped. Warning: Not for children.
China Manufacturer 20x15mm Big round magnets Shaped Large Super High Grade Rare Earth Permanent Ndfeb Magnet .
|Place of origin||China|
|Tolerance||±0.03mm for diamater /thickness, ±0.1mm for width/ length|
|Direction of magnetisation||axial (parallel to height)|
|Coating||Nickel-plated (Ni-Cu-Ni),can be Customised Gold, Silver, Copper, Epoxy, Chrome, etc)|
|Grade||Customized N35 N38 N40 N42 N45 N48 N50 N52 ……|
|Max. Working Temperature||Grade||Max. Operating Temperatures|
|33M- 48M||100°C (212°F)|
For the next 25 years Jintong was one of the leading neodymium magnet manufacturers and shipped an average of 1 to 2 tons of finished neodymium magnetic material per month. We are constantly striving to add complimentary functions in order to consistently deliver value to the market place.
Configure high-end detection equipment The development of proprietary cutting technology, advanced precision machinetight production process control allowed Jintong to remain at the forefront of neodymium magnet manufacturers.
1.Average force meter( Milling particle size inspection)
2.Magnetization characteristic automatic measuring instrument( Issuedemagnetization curve)
3.Magnetic testing equipment for measurements of Field Density and Field Strength
4.Hysteresisgraph for magnetic characteristic measuremen ect