Custom Neodymium Speaker Magnets with Nickel Coating, Sintered Neodymium Ring Magnets

Performance grade N35-N52
Coating Ni(can be customized)
Magnetization Thickness
Operating temperature ≦80℃(except N50 and N52)
HCJ ≧12kOe(except N50 and N52)
Size Custom
Material Nd Fe B

Custom Neodymium Speaker Magnets with Nickel Coating

Custom Neodymium Speaker Magnets with Nickel Coating

Manufacture Process of NdFeB

Preparation of the raw material — Strip Casting — HD — Jet Milling–Magnetic Pressing — Sintering — Magnetic Property Test — Grinding — Machining–Electroplating– Inspection

Coating

Surface Coating Thickness(µm) Color SST(hours)
Nickel Ni 10-20 Bright Silver >24-72
Black Nickel Ni+Cu+Ni 10-20 Bright Black >48-96
Cr3+Zinc Zn

C-Zn

5-8 Bright Blue

Shinning Color

>16-48

>36-72

Sn Ni+Cu+Ni+Sn 10-25 Silver >36-72
Au Ni+Cu+Ni+Au 10-15 Gold >12
Ag Ni+Cu+Ni+Ag 10-15 Silver >12
Epoxy Epoxy

Ni+Cu+Epoxy

Zn+Epoxy

10-20

15-30

15-25

Black / Grey >48

>72-108

>72-108

Note

We have a large team with more than 200 people to make sure that we can have the production capacity to meet customer’s needs. Our company is the professional supplier of magnet, magnetic systems and solutions. If you choose us, we will not disappoint you.

Q & A

1. Q When can I get my product after I pay you?

A If we receive your payment,e will send you your product within half a month.

2. Q If your company didn’t provide us with products of the right size or performance, can we return you your products?

A Our company will take responsibility if the faults falls on our company. We have confidence in our team and our company, so if you provide us with wrong information, we will not take the responsibility.

3. Q I want to buy products with special shapes, can you produce it?

A Of course, we design and produce mould, so, if you have any special needs, just tell us.

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