mumetal protective Shielding Cover

FOB Price: US $ 0.4 - 29 / Piece | Get Latest Price
Min.Order Quantity: 500 Piece/Pieces
Supply Ability: 5000 Piece/Pieces per Week
Port: ShenZhen
Payment Terms: L/C,T/T,Western Union
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Quick Details

Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
NiFe based permalloy
Material grade:
PC (Ni80%)
0.1~2 mm
Silver gray
High permeability, low resistivity

Packaging & Delivery

Packaging Details: Carton box
Delivery Detail: Within 4 weeks upon receipt of purchase order

    Permalloy has very high magnetic permeability compared to other materials.

    Permeability is the degree of magnetization of a material that responds linearly to an applied magnetic field. Permalloy can divert magnetic flux and effectively protect sensitive components from near by magnetic source.

    Below chart compares permeability of selected materials for reference: 



Permeability(µ) x10-6Magnetic field
Mu-metal20000[1]25000 N/A2at 0.002T
Permalloy8000[1]10000 N/A2at 0.002T
Transformer iron with ρ=0.01µΩ·m4000[1]5000 N/A2at 0.002T
Steel700[1]875 N/A2at 0.002T
Nickel100[1]125 N/A2at 0.002T
Platinum2.65 x 10-41.2569701 N/A2 
Aluminum2.22 x 10-5[2]1.2566650 N/A2 
Hydrogen8 x 10-9 or 2.2 x 10-9[2]1.2566371 N/A2 
Copper-6.4 x 10-6 or -9.2 x 10-6[2]1.2566290 N/A2 


    An electromagnetic wave can be divided into electric field and magnetic field.

    Magnetic field is reportedly more harmful to the human body than an electric field. Electric field (RF) can be effectively shielded by conductive material properly grounded, but the magnetic field is not easily shield and requires highly permeable material such as Permalloy or Mu-metal.

    By heat treating the steel plate (containing nickel) at high temperature, these metals’ magnetic shielding performance reaches about 96%, while high performance comes with high price. Our Permalloy, made with a newer technique, is available at reasonable prices.

    Our Permalloy is extremely thin nickel alloy and is made with special high temperature to produce superior shielding capability against a magnetic field. It is easily made into many forms and shapes by die-press, soldering and cutting.


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Honger Technology Limited is a high-tech company specializing in the development and distribution of permalloy cores, amorphous microlite alloy and Mn-Zn soft ferrite cores, as well as other related magnetic products.

Our products are widely used in miniaturization and energy saving devices, electronics and power supplies. They are the environmental materials preferred by electric power plants and electronic factories.

Key features of permalloy are high magnetic permeabili... View detail

Basic Information

Business Type: Manufacturer, Agent, Distributor/Wholesaler  
Main Products: Mumetal Core,mumetal shielding,permalloy material,nanocrystalline core,amorphous core  
Number Of Employees: 51 - 100 People  

Trade & Market

Main Markets: Domestic Market
Southeast Asia
North America
South Asia
Mid East
South America
Northern Europe
Central America
Southern Europe
Eastern Asia
Western Europe
Eastern Europe
Total Annual Sales Volume: US$2.5 Million - US$5 Million  
Export Percentage: 41% - 50%  

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How It Works

Verified Supplier - Honger Technology Limited
China (Mainland) | Contact Details
Experience: Established 2008

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Ms. Yori LEE
Ms. Yori LEE:
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