N50sh Super Strong Neodymium Magnet Sintered NdFeB Magnet Rare Earth Permanent Magnet Manufacturer

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Product Description

Basic Information
Model NO.
JINSHUO NEO
Grade
N50sh
Coating
Epoxy
Magnetized Direction
Axially Magnetized
Other Shapes
Disc, Cylinder, Ring, Block, Ball etc
Tolerance
+/- 0.05mm
Working Temp.
140 Degrees Celsius
Other Coating
Zn, Cu, Au, Sliver, Nickel, Ni-Cu-Ni
OEM Service
Yes
Origin
China
Production Cap.
500,000 PCS/Month
HS Code
8505111000
Product Description

Neodymium magnet is a permanent magnet made from an alloy of neodymium, iron and boron. NdFeB magnets are widely used in various fields, such as motors, speakers, electric generators etc. Besides, neodymium magnet is the strongest type of permanent magnet commercially available.

Key Features:
• Grade: N35-N54 up to N38TH series.
• Shapes: Disc, Cylinder, Ring, Rectangle, Countersunk, Segment, Sphere, etc.
• All sizes and shapes can be customized.

Magnetized Directions

Surface Treatment & Coatings

Surface Treatment Thickness (Microns) Color Resistance Salt Spray Test
Passivation1Silver GreyTemporary-
Nickel10-20Bright SilverExcellent Humidity24-48h
Black Nickel10-20Bright BlackExcellent Humidity48-72h
Zinc8-20Bright BlueGood Salt Spray24-48h
Au (Gold)10-20GoldSuperior Humidity-
Epoxy15-25Black/Red/GreyExcellent Humidity & Salt24-72h
Chemical Nickel10-20Silver GreyExcellent Humidity-

Product Details & Production

Samples are available with a production time of 3-15 days. Lead time for batch orders is typically 15-30 days depending on the quantity.

Packaging & Shipping

We provide standard export packaging: shielding cartons, wooden cases, and pallets. Shipping via Express (UPS, DHL, FedEx, TNT), Air, or Sea.

Inspection Report
Order Guide - Please Provide:
1. Grade: (e.g., N35, N52, SH, etc.)
2. Dimensions: (Drawings are preferred)
3. Magnetized Direction: (Axial, Radial, etc.)
4. Coating: (Nickel, Zinc, Epoxy, etc.)
5. Quantity & Shipping Preference
Frequently Asked Questions
What is the strongest neodymium magnet grade available?
The strongest commercial grade is N52. The numbers represent the magnetic strength, while letters like H, SH, or EH represent higher temperature resistance.
Can I customize the shape and size?
Yes, we provide full OEM services. We can produce various shapes including Disc, Ring, Rectangle, Countersunk, and Special custom shapes according to your drawings.
What coatings are recommended for corrosion resistance?
Black Epoxy and Nickel-Copper-Nickel provide excellent humidity resistance. For extreme conditions, Epoxy is often preferred as it passes longer salt spray tests.
How long does production take?
Samples usually take 3-15 days. Regular batch orders are completed within 15-30 days, depending on the specifications and quantity.
Do you provide inspection reports?
Yes, we provide pictures of finished magnets, packaging details, demagnetizing curves, and formal inspection reports before shipping.
What are the shipping options for magnetic materials?
We offer Express (UPS, FedEx, DHL), Air, and Sea freight. For air shipments, we use professional anti-magnetized packaging to meet safety regulations.

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