Custom Big Round Countersunk Neodymium Magnet

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price: Negotiable
minimum:
Total supply:
Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-08-06 06:52
Browse the number: 492
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Product details

Countersunk magnets are available with either pole on the magnetic face so that they can be used as a pair to attract or repel. If you are using two magnets to attract you need to make sure the opposite poles are facing each other as identical poles will repel! 

Product detail

1. Item Name: Custom big round Neodymium magnet with hole in center

2. Material: Neodymium-Iron-Boron

3. Various shapes on offer: block, round, ring, arc - even highly complex forms. Virtually any shape of NdFeB cylinder magnet can be made to your requirements!

 

Coating of Sintered Ndfed magnets

Surface

Coating

Thickness(Microns) of coating

color

resistance

Salt spary Test Standard(hours)

Nickel

Ni+Ni
Ni+Cu+Ni                          

10-20um

Bright Silver

Excellent against Humidity

24-48

Black Nickel

Ni+Cu+Ni

10-20um

Bright black

Excellent against Humidity&Salt Spray

48-72

Cr6+Zinc

Zn          

5-8um

Bright Blue

Excellent against Salt Spray

24-48

C-Zn

Shiningcolor

24-72




Cr3+Zinc

Zn          

5-8um

Bright Blue

Good against Salt Spray

16-48

C-Zn

5-8um

Shiningcolor

Excellent against Salt Spray

24-72


Tin

Ni+Cu+Ni+Sn

10-25um

Silver

Superior against Humidity

48-72

Gold

Ni+Cu+Ni+Au

6-10um

Gold

Superior against Humidity

-----------

Ag

Ni+Cu+Ni+Ag

6-10um

Silver

Superior against Humidity

-----------

Epoxy

Epoxy

Ni+Cu+Epoxy  

Zn+Epoxy

10-25um

Black,Grey

Excellent against Humidity&Salt Spray

24-48         48-72        48-72

Passivation

----------

1-2um

Silver Grey

Temporary Protection

--------

Phosphated

-----------

1-2um

Silver Grey

Temporary Protection

--------


Remake:1.There is different Salt Spray test results,if the plating technology is different.

           2.Salt Spray Test Results,which is plated by Grinding(Small Size Magnets),better than the one which is coated by Hanging us(Big Size magnets).

 


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