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Neodymium Disc Magnet 4X1 inch Strong Permanent Magnet
1. Product Introduction of Neodymium Disc Magnet 4X1 inch Strong Permanent Magnet.
Depending on advanced R&D center, Quality control team and professional machining technicians, we can surpass our competitors in the stability of quality and superiority of property.
2. Product Parameter(Specification)of Neodymium Disc Magnet 4X1 inch Strong Permanent Magnet.
MaterialNeodymium-Iron-Boron : the strongest available permanent magnet with a maximal energy product of more than 50 MGOe with an excellent coercivity.
Max. Working TemperatureGradeMax. Operating Temperatures
N35-N5280°C (176°F)
33M- 48M100°C (212°F)
33H-48H120°C (248°F)
30SH-45SH150°C (302°F)
30UH-40UH180°C (356°F)
28EH-38EH200°C (392°F)
28AH-35AH220°C (428°F)
Magnet ShapeDisc, Cylinder, Trapezoid and other abnormal shape according to customers' requirement.
CoatingDouble Nickel, Nickel Copper Nickel, Zinc, Gold, Copper, Chemical, PTFE, Parylene, Everlube, Passivation,Tin, Aluminium, Teflon or Epoxy, depending on the application.
Tight tolerances Standard tolerances are ± 0.1 mm. If grinded ± 0, 05 mm/± 0, 03 mm. Tighter tolerances are available on request.
Delivery AdvantageThe lead time must be 7-10 days quicker than industry average because of more flexible machine process control.
3. Application of the Neodymium Disc Magnet 4X1 inch Strong Permanent Magnet.
l Electronics – Sensors, hard disk drives, sophisticated switches, electro-mechanical devices etc.
l Auto Industry – DC motors (hybrid and electric), small high-performance motors, power steering.
l Medical – MRI equipment and scanners.
l Clean Tech Energy – Water flow enhancement, wind turbines.
l Magnetic Separators – Used for recycling, food and liquids QC, waste removal.
l Magnetic Bearing – Used for highly sensitive and delicate procedures in various heavy industries.

4. Production procedure of the Neodymium Disc Magnet 4X1 inch Strong Permanent Magnet.

5. Packing and shipping of the Neodymium Disc Magnet 4X1 inch Strong
Permanent Magnet.
1. Inquiry response: Inquires will be replied within 2hours during our office time (GMT+8), and within 12 hours during our off duty time.
2. We are Professional manufacturer.Welcome to visite our factory located in Ningbo city. You could fly to Ningbo or Shanghai airport directly.
3. Samples: Customized samples which we have in stock,you could get ASAP. Special sizes, we need 10days to produce.
4. Quality control: Certified with ISO9001:2008,ISO/TS16949, ISO14001, and ROHS/REACH compliant. All products will have been strictly Quality Checked in house before packing.
5. Magnet design: Our extensive technical expertise and longstanding experience for your specific applications.
6. Faster delivery: Your shipment will be loaded in 7~10days,depengds on quantity.
7.  Payment and terms: You can pay for the order via :T/T,L/C,Western Union ,Paypal &MoneyGram.
8. Shipping: We have strong cooperation with DHL, TNT ,UPS ,FEDEX ,EMS ,China Air post .
· You could also  choose your own shipping forwarder.
1.Q:Will magnets lose their power over time?
  A:Do lose a very small fraction of their magnetism over time. For example, SmCO magnet has been shown to be less that 1% over a period of ten years.

2.Q:Can a magnet that has lost its magnetism be re-magnetized?
  A:If the magnet has not been damaged by extreme heat, it can be re-magnetized back to its original strength.

3.Q:What are the standard industry definitions of "North" and "South" Pole?
  A:The North Pole is defined as the pole of a magnet that, when free to rotate, seeks the North Pole of the earth. Similarly, the South Pole of a magnet seeks the South Pole of the earth.

4.Q:Can a particular pole be identified?
  A:Yes, the North or South Pole of a magnet can be marked if specified.

5.Q:What does "orientation direction" mean?
  A:Magnets have a “grain” in that they can be magnetized for maximum effect only through one direction.

6.Q:Does stacking magnets together make them stronger?
  A:Yes, stacking two or more magnets together will act similar to a single magnet of the combined size.  
Neodymium-Ferro-Boron Magnets China

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