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50mm x 20mm Rare Earth Disc Neodymium Magnet N38 Ni, Sintered Neo Super Strong Rare Earth Sintered NdFeB Disk Round Magnet for Toy and Craft, 80 °C Nickel Coated Neodymium Disc Permanent Magnets China Supplier
50mm x 20mm Rare Earth Disc Neodymium Magnet N38 Ni Technical Specifications:
Material: Neodymium (NdFeB)
Shape: Disk, Round, Disc, Circular, Cylinder
Total Diameter (D): Ø 50 mm
Total Height (H): 20 mm
Tolerance: ±0.05 mm
Magnetisation Direction: Axial / Radial
Residual Magnetic Flux Density (Br): 1220-1250 mT (12.2-12.5 kGs)
Energy Density (BH)max: 287-310 KJ/m³ (36-39 MGOe)
Coercivity Force (Hcb): ≥ 899 kA/m ( ≥ 11.3 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 955 kA/m ( ≥ 12 kOe)
Maximum Operation Temperature: 80 °C
Delivery Time: 14-35 days
Magnetic Grades and Temperature:
The Grade of a magent directly refers to the Maximum Energy Product of the material that composes the magnet. It in no way refers to the physical properties of the magnet. Grade is generally used to describe how “strong” a permanent magnet material is. The energy products is specified in the unites Gauss Oersted.
One MGOe is 1,000,000 Gauss Obersted. A grade forty (N40) would have a Maximum Energy Product of 40 MGOe.The higher the grade the “stronger” the magnet. Disc Round Neo Permanent Magnet N45 Ni
Magnetic materials have a wide range of working temperatures. The following chart the various materials and their maximum working temperature. NdFeB material comes in many different heat tolerances but as the heat tolerance increases the maximum available fulx density decreases:
Material: NdFeB magnet
Woking Temperature Grade Max.Operating Temperature
Neodymium Magnet N38 / Neodymium Magnet also has a very good application in electric.
Application of Neodymium Magnet in many electronic above is also great, especially some electronic toys above its maximum application, sometimes need to use it as a driving force, but also sometimes, through it to reach the taste of their own requirements, but it is also need their own quality.
Only let the Neodymium Magnet meet the requirements in the quality, can let it when in use, performance of various products is required, at the same time make it when in use, to achieve a long service life, in fact, to the user, it with a product to make, only two requirements, one is its performance, also is the life.
These two properties that is easy, but at the time of production, is facing great difficulties, first from the ingredients, and then to its smelting process, and then to final sizing, coating and so on are to meet the requirements, if the manufacturer has a link negligence, it finally it cannot meet the requirements.
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