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Ningbo Dongsheng Strong Magnet Material Co.,Ltd.
Ningbo Dongsheng Strong Magnet Material Co.,Ltd.  

Gold Index: 11975

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Sintered block NdFeB magnet with gold coating 

Price: 1.0~100.0 USD 
Payment Terms: T/T,L/C,D/A,D/P 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Means of Transport: Ocean,Air
Packing: small box , carton
Shape: Disc
Type: Permanent
Brand Name: Dongsheng magnet
Production Capacity: 10000 one month
Delivery Date: 15~30 days
Application: Industrial Magnet
Composite: NdFeB Magnet
Coating: gold

Material Grade: N40
Shape: Small block
Size: 8x8x2mm.
Surface Plating: Gold or Au.

roperty of this Magnet

Material:NdFeB Rare earth

Magnets grade :Grade N35,N38,N42 etc
Magnets size : Bespoke sizes.

Magnetic direction by thickness

Surface treatment: Gold coating

Max working Temp: 80°C.


The most important point is that we can design the size and shape according your requests, all our magnets are bespoke, due to that we are the original factory. And there is no limit of minimum order quantity.

INTRODUCTION OF NDFEB COATINGS

SurfaceCoatingThickness
Um
ColorSST
hours
PCT
hours
NickelNi10-20Bright>24-72>48

Ni+Cu+Ni


Black NickelNi+Cu+Ni10-20Bright black>48-96>48





Cr3+ZincZn5-8Bright Blue>16-48

Czn
Color>24-72
TinNi+Cu+Ni+Sn10-25Sliver>36-72>48






GoldNi+Cu+Ni+Au10-15Sliver>12>48






AgNi+Cu+Ni+Ag10-15Sliver>12>48






EpoxyEpoxy10-25Black,Grey>48

Ni+Cu+Epoxy15-30
>48-96

Zn+Epoxy15-25
>48-96
Passivation
1-3Dark Grey






Phosphated
1-3Dark Grey






Note:

Salt Spray Test(SST):

Test condition: 5%NaCl, 35℃, Continuously spray a certain time, test whether there is corrosion on coating surface.

3.Pressure Cooking Test(PCT):

Test conditions : 2 atm, 95% RH(relative humidity), 121 ℃

Purpose: Test the coating adhesion.

Notes: The products coating Zinc,passivation/phosphated, or coating Epoxy are not suitable for PCT.

4.Other methods to test the coating quality: Drop test, Cross Cut test,Heating and Spilling Test ,the constant temperature and humidity test etc.

PICTURE

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skype Mr. ALEX

Tel: 86-574-83005217
Fax: 86-574-83005217
Mobile: 150 6744 2120
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Company Info

Ningbo Dongsheng Strong Magnet Material Co.,Ltd. [China (Mainland)]


Business Type:Manufacturer
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

Alex:   skype
Alex:   qq

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