1.5mm N40 / N42 Neodymium Block Magnets for Speakers / Earphones MJMN: NBM03 manufacturer from China Guangzhou Zhongci Magnetic Co., Ltd.

1.5mm N40 / N42 Neodymium Block Magnets for Speakers / Earphones

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: MJMN: NBM03

Large Inventory Strong Block Neodymium Magnet in 12*4*1.5 for Promotion Inventory Goods for sale . Magnets in sto

Large Inventory Strong Block Neodymium Magnet in 12*4*1.5 for Promotion

Inventory Goods for sale . Magnets in stock . n38 neodymium magnets.
The good in qulity magnet block made by plant. OEM block magnet provider . Factory magnet professional supplier.

Zhongci magnets provides permanent magnet with custom shaped magnet, stabel and high precision magnet with wide range of magnetic properties.

Description & Specification:

Sintered NdFeB magnet	Strong permanent magnet with magnetic properties
Grades	N33, N35, N38, N40, N42, N45, N48, N50, N52, (M, H, SH, EH, UH )
Coatings	Nickel, Ni-Cu-Ni, Zinc, white-blue Zn, Black epoxy resin, Gold
Sizes	customized
Shapes	Disc, cylinder, sphere, block, ring, tile, arc, and other irregular shapes
Tolerance	+/-0.05mm unless specified.
Magnetized direction	Through thickness, diameter, axial, etc
Maximum working temperature	80 to 120 degrees C
Delivery time	Within 7-30 days when order confirmed
Package Condition	Standard air/sea protective package, unless specified.

Grade:	N35-N52 Max. Working Temperature 80 °C
	33M-48M Max. Working Temperature 100 °C
	33H-48H Max. Working Temperature 120 °C
	30SH-45SH Max. Working Temperature 150 °C
	30UH-40UH Max. Working Temperature 180 °C
	28EH-38EH Max. Working Temperature 200 °C

Professional suggestions:
    -The grade like N48-N52 could meet your requirements on strong power.
      -Standard one like N35 or N40 is okay for your normal applications.
    - If you have requirement on the working temperature, please note it.

Coating and Corrosive Resistance of Sintered NdFeB
Surface	Coating	colour	Thickness (um)	Resistance can be		Corrosive Resistance
Surface	Coating	colour	Thickness (um)	PCT Test	Salt Spray Test	Corrosive Resistance
Nickel	Ni/NiCuNi	Silver	10-20	48h/72h	72h	excellent
Zinc	blue zinc/colour zinc	brightblue/shinyblue	8-20	24	24	good
epoxy	epoxy/NiCu+Epoxy	black/grey	15-25	48	96	excellent
Tin	NiCuSn	silver	15-20	72	72	superior
Parylene	Parylene	grey	15-25	96	200	superior
Teflon	Teflon	grey	10-20	12	24	superior
Phosphorization	-	grey	1-2	-	-	temporary protection
Passivation	-	grey	1-2	-	-	temporary protection

Magnetized direction:

Applications:

Motors,Generators,Sensors,Speakers, Earphones and other musical instruments, Magnetic therapy devices, Magnetic Chuck, Magnetic bearings and couplings, NdFeB Pot Magnet and other magnetic applications.

Competitive Advantage:

Neodymium magnets manufacturer since year 1999 with advanced technolgy on tooling and produciton.
Good quality and stable magnetic properties are designed instead of inspection.
Competitive price comes from good design and optimized manufacturing process.
Total solutions for cost, quality, delivery, service, flexibility and value engineering.

Magnetic separation packaging:

FAQ:

1. How to get a quickly quotation?

Please give us the GRADE,SIZE,PLATING,DEMAND of the magnets your wanna (drawing is better),then we will give you a preliminary's quotation asap.
You can also send us samples,then we will according the samples to produce.

2. Sample fee?Delivery date?Shipment?

Sample fee: If it is commonly used specifications of the products and our warehouse have inventory, we can provide you with free samples; Customized specifications of the products, we need a certain amount of sample fee to control the cost of material.
Delivery Date: It's according to the contract,If for any reason there is a delay, we will contact you with an estimate of the revised delivery date.
Shipment: We always use DHL Courier company.Fed Ex,EMS etc.,we can talk over this.

3.What does "orientation direction" mean?
Magnets have a "grain" in that they can be magnetized for maximum effect only through one direction.