Rare earth NdFeB ring magnets for speakers from China manufacturer

Rare earth NdFeB ring magnets for speakers

Price:	0.1 USD
Payment Terms:	T/T,L/C;PAYPAL
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Model No.: N38

Production Capacity: 1000ton/Year

Delivery Date: about 15 days after contrac...

Shape: Big ring

Composite: Rare Earth Magnet

Coating: Znic

Usage: Loudspeaker

Hcb KA/m(KOe): >=859(>=10.8)

(BH) max KJ/m³(MGOe): 287-310(36-39)

Means of Transport: Ocean,Land,Air;internationa...

Packing: magnetic power shield packi...

Application: Speaker Magnet

Type: Permanent

Brand Name: Xingde

Size: 76mm

BrmT(KG): 1220-1250(12.2-12.5)

Hcj KA/m(KOe): >=955(>=12)

Working temperature: 80℃

Product Type: Rare Earth Magnet
Composition: Neodymium
Export Markets: Worldwide
Certificate: ISO9001:2008

Product Description

Big ring magnets for loudspeaker
Product Name: ring magnet
Place of Origin: Zhejiang, China (Mainland)
Application: speakers
Ring magnet
1. Materials: Rare earth magnet
2. Certification: ISO9001: 2008
3. Magnetic properties: High coercive force, (BH)max from 26 to 53MGOe, max working Temperature up to 200° C.
4. Grades: N35, N38, N40, N42, N45, N48, N50, N52, 30M, 33M, 35M, 38M, 40M, 42M, 45M, 48M, 50M, 30H, 33H, 35H, 38H, 40H, 42H, 45H, 48H, 30SH, 33SH, 35SH. 38SH, 40SH, 42SH, 45SH, 28UH, 30UH, 33UH, 35UH, 38UH, 40UH, 28EH, 30EH, 33EH, 35EH
5. Shapes: Ring or produce many shapes according to your request, Block, Sphere, Disc, Segment, Cylinder, Sheet and so on.
6. Sizes: R x r x H x Degree as per your request
7. Coatings: Metallic Zinc, Nickel, Nickel+Nickel, Copper+Nickel, Nickel+copper+Nickel, Gold, Organic Epoxy, Nickel+Epoxy coating and so on;
8. Applications: Widely used in speakers, etc.
9. Parameters: Grade(property), Size(R x r x H x Degree) or Drawing, Coating, Quantity, etc.
10. Note: Our NdFeB ring magnet can produce as per your design, glad to give some suggestions if you need.
We provide a huge selection of ring NdFeB Magnet commonly used in many speakers with high coercivity, low temperature.

Performance of Big ring magnets for loudspeaker

Material Code	Br		Hcj		BH(max)		Max Working temperature
Material Code	KGs	T	Koe	KA/m	MGOe	KJ/m3	(Tw)
N52	1430-1480	14.3-14.8	>=11	>=876	50-53	398-422	80℃
N50	1400-1450	14.0-14.5	>=11	>=876	48-51	398-423	80℃
N48	1380-1420	13.8-14.2	>=12	>=955	46-49	366-390	80℃
N45	1320-1380	13.2-13.8	>=12	>=955	43-46	342-366	80℃
N42	1280-1320	12.8-13.2	>=12	>=955	40-43	318-342	80℃
N40	1250-1280	12.5-12.8	>=12	>=955	38-41	302-326	80℃
N38	1220-1250	12.2-12.5	>=12	>=955	36-39	287-310	80℃
N35	1170-1220	11.7-12.2	>=12	>=955	33-36	263-287	80℃

Pictures of Big ring magnets for loudspeaker.

Ningbo Xingde Magnet Co.,Ltd engages in the development and innovation of high permanent NdFeB magnetic material with highly focuses on the quality of products. Special shaped products can be tested and the accuracy of the sizes will be ensured through the test in different temperature and the analysis of related data. Various reliable testing and analysis of the coating also are available by salt spray testing equipments, Constant temperature and humidity tester, and coating thickness detector.