5X1mm Small Refrigerator Magnets Neodymium Magnets N35 N52 Disc Neodymium Magnet

• Customization: Available
• Application: Electronic Products, Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet, Motor, Industrial, Medical, Electronics...
• Shape: Disc, Block, Ring, Arc, Cylinder, Custom
• Model NO.: KS
• Grade: N35-N52(M, H, Sh, Uh, Eh, Ah)
• Delivery Time: 3-10days Faster Then Industry Average, 8-14 Days
• Composite: Neodymium Magnet
• Product Name: Neodymium Magnets
• Tolerance: +/-0/02---+/-0.05mm
• Certificates: ISO90001, RoHS, CE
• Material: Sintered Neodymium-Iron-Boron
• Processing Service: Bending, Cutting, Punching, Moulding
• Magnetism Direction: Axial/Radial
• Type: Permanent
• Transport Package: Demagnetize Packing Box
• Specification: 35cmx27cmx14cm/carton
• Trademark: KS
• Origin: Shanxi, China
• HS Code: 8505111000
• Production Capacity: 1500 Ton/Tons Per Year

Product Description

10 Years Experience Taiyuan Magnet Manufacturer
10 Years Magnet Custom Super Strong Round Disc Small Automotive Office N52 Permanent Motor Neodymium Magnet
Free Sample and Trial Order are Most Welcome
Made in China Magnet and Magnet Assemblies Supplier + Made in China Trade Assurance
Each of your transaction will be well protected!!!
Please contact us now!!!
 

5X1mm Small Refrigerator Magnets Neodymium Magnets N35 N52 Disc Neodymium Magnet

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SPECIFICATION LIST
 

The grade of sintered neodymium magnets is usually defined by the letter N + number + letter. The letter N is an abbreviation for the rare earth element neodymium. At the end of the sintered neodymium magnet there may be a letter or two marking that determines the high temperature and maximum operating temperature of the sintered neodymium magnet. M(medium), H(high), H(high), SH(super high), UH(super high), EH(extremely high), AH(abnormally high) grades should be greater than 14, 17, 20, 25, 30, 35kOe, respectively. Then their maximum operating temperatures can reach 100, 120, 150, 180, 200 and 230 degrees Celsius, respectively.

 

Description	Description
WorkingTemperature	Grade	Max. Operating Temperature
	N35-N52	N35-N52
	33M- 48M	100°C (212°F)
	33H-48H	120°C (248°F)
	30SH-45SH	180°C (356°F)
	28EH-38EH	200°C (392°F)
	28AH-35AH	220°C (428°F)
Magnet Shape	Disc, Cylinder, Block, Ring, Countersunk, Segment, Trapezoid, Irregular shapes and more. Customized shape are available.
Magnet Coating	Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and more.

 

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FAQ

Frequently Asked Questions

Q: What are neodymium magnets? Are they the same as "rare earth"?
A: Neodymium magnets are a member of the rare earth magnet family. They are called "rare earth" because neodymium is a member of the "rare earth" elements on the periodic table. Neodymium magnets are the strongest of the rare earth magnets and are the strongest permanent magnets in the world.

Q: What does the "N rating", or grade, of the neodymium magnets mean?
A: The grade, or "N rating" of the magnet refers to the Maximum Energy Product of the material that the magnet is made from. It refers to the maximum strength that the material can be magnetized to. The grade of neodymium magnets is generally measured in units millions of Gauss Oersted (MGOe). A magnet of grade N42 has a Maximum Energy Product of 42 MGOe. Generally speaking, the higher the grade, the stronger the magnet.

Q: What is the difference between the different platings and coatings?
A: Choosing different coatings does not affect the magnetic strength or performance of the magnet, except for our Plastic and Rubber Coated Magnets. The preferred coating is dictated by preference or intended application. More detailed specifications can be found on our Specs page.

♦ Nickel is the most common choice for plating neodymium magnets. It is actually a triple plating of nickel-coppernickel. It has a shiny silver finish and has good resistance to corrosion in many applications. It is not waterproof.

♦ Black nickel has a shiny appearance in a charcoal or gunmetal color. A black dye is added to the final nickel plating process of the triple plating of nickel-copperblack nickel.
NOTE: It does not appear completely black like epoxy coatings. It is also still shiny, much like plain nickel plated magnets.

♦ Zinc has a dull gray/bluish finish, that is more susceptible to corrosion than nickel. Zinc can leave a black residue on hands and other items.

♦ Epoxy is basically a plastic coating that is more corrosion resistant as long as the coating is intact. It is easily scratched. From our experience, it is the least durable of the available coatings.

♦ Gold plating is applied over the top of standard nickel plating. Gold plated magnets have the same characteristics as nickel plated ones, but with a gold finish.