Ring magnets for speaker from China manufacturer - NingBo YinZhou Up Magnets Co.,Ltd

Price:	0.1~100.0 USD
Payment Terms:	T/T,L/C,D/A,D/P,WU
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Model No.: UPR-004

Production Capacity: 100,000pcs/month

Delivery Date: 10-30days

Shape: Others

Composite: Neodymium Magnet

material: Neodymium

Means of Transport: Ocean

Packing: standard sea or air package...

Application: Industrial Magnet

Type: Permanent

Brand Name: UPMAG

Grade:N35UH
Coating:NICUNI
Dimension:D6.5-3.5x3mm

N, M, H, SH, EH, UH

neodymium-iron-boron(NdFeB) magnets, rare earth magnets, permanent magnets,most powerful and commercialized, customized

1. Material: Sintered Neodymium-Iron-Boron.

2.The strongest power magnets in all of the permanent magnets.
3. Grade: N35 to N52; N35M to N50M; N35H to N48H, N35SH to N45SH; N30UH to N40UH, N30EH to N38EH.
4. Excellent strength value: the highest (BH)max reaches up to 51MGOe.
5. Extremely Resistance to demagnetization with Hci,the intrinsic coercive force is over 30000Oe.
6. Moderate temperature stablity: under 80℃ for low Hci NdFeB magnet and above 200 ℃ for high Hci NdFeB magnet.
7. Coating: Effective Surface treatment to prevent corrosion, such as Nickel, Ni-Cu-Ni co, Zinc, gold, siliver, tin(Sn), epoxy, chemical, parylene, etc.
8.Shapes and sizes: various according to clients' request
9. Advanced techniques: new techniques and equipment such as strip casting, HDDR technology
10. Application: Sensors, Motors, Rotors, Wind turbines/wind generators, Loudspeakers, Magnetic hooks & holder, Filters, Automobiles, etc.
11.Service: Provide test report and BH curves for each item magnets, and also we could do the PCT test ,salt spray test report, aging test report and so on according to our customers' request.

We are China permannent ring magnets manufacturer offer best permannent ring magnets OEM, ODM,service.

ring sintered NdFeB magnet with hole

Available Coating Of Sintered NdFeB Magnets
Surface	Coating	Thickness(Microns)of coating	Color	Resistance	Salt spray Test Standard (hours)	Pressure Coating Test Standard (hours)
Passivation		1--2μm	Silver Grey	Temporary Protection	Not available	Not available
Nickel	Ni+Ni	10--20μm	Bright Silver	Excellent against Humidity	24	24
Nickel	Ni+Cu+Ni	10--20μm	Bright Silver	Excellent against Humidity	24	24
Zinc	ZN	3--8μm	Bright Blue	Good Against Salt Spray	24	Not available
Zinc	C-Zn	3--8μm	shining Color	Excellent Against Salt Spray	48	Not available
CR3+Zinc	ZN	3--8μm	Bright Blue	Good Against Salt Spray	24	Not available
CR3+Zinc	C-Zn	3--8μm	shining Color	Excellent Against Salt Spray	48	Not available
Tin	Ni+Cu+Sn	10--25μm	Silver	Superior Against Humidity	48	Not available
Gold	Ni+Cu+Au	2--10μm	Gold	Superior Against Humidity	Not available	Not available
Ag	Ni+Ag	2--10μm	Silver	Superior Against Humidity	Not available	Not available
Epoxy	Epoxy	10--25μm	Black,Grey	Excellent Against Humidity & Salt Spray	48	Not available
	Ni+Cu+Epoxy					Not available
	Zn+Epoxy					Not available