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| Magnetic Technology >> Magnets Coating /Plating |
| HOME >> Magnets Coating /Plating |
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| Available Coatings Of Sintered NdFeB Magnets |
| Surface |
Coating |
Thickness(Microns) of coating |
Color |
Resistance |
Salt spray Test Standard (hours) |
Pressure Coating Test Standard (hours) |
| Passivation |
|
1--2um |
Silver Grey |
Temporary Protection |
Not available |
Not available |
| Nickel |
Ni+Ni |
10--20um |
Bright Silver |
Excellent against Humidity |
24 |
24 |
| Ni+Cu+Ni |
| Zinc |
ZN |
3--8um |
Bright Blue |
Good Against Salt Spray |
24 |
Not available |
| C-Zn |
shiningColor |
Excellent Against Salt Spray |
48 |
Not available |
| CR3+Zinc |
ZN |
3--8um |
Bright Blue |
Good Against Salt Spray |
24 |
Not available |
| C-Zn |
shining Color |
Excellent Against salt Spray |
48 |
Not available |
| Tin |
Ni+Cu+Sn |
10-25um |
Silver |
Superior Against Humidity |
48 |
Not available |
| Gold |
Ni+Cu+Au |
2--10um |
Gold |
Superior Sgainst Humidity |
Not available |
Not available |
| Ag |
Ni+Ag |
2--10um |
Silver |
Superior Against Humidity |
Not available |
Not available |
| Epoxy |
Epoxy |
10-25um |
Black,Grey |
Excellent Against Humidity & Salt Spray |
48 |
Not available |
| Ni+Cu+Epoxy |
Not available |
| Zn+Epoxy |
Not available |
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| Coating Test Standard of Nickel coating |
(1).Salt Spray Test(SST):
Test condition :
Temperature:35C Degree,5% NaCl ,Continous spray for 24 hours.
Test Standard/Criterion:
Coating is good ,doesn't get off,no bubbles,no dots.no rust appear. |
(2)Pressure cooker Test (PCT):
Test condition :
121C and 95% RH and 2 atmosheric pressure, test for 24 hours
Test Standard/Criterion:
Coating does not Get off, there are no air bubbles or dots Appear |
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| Contact us |
Ningbo Tongchuang Strong Magnet Material Co., Ltd
Add: Xinzhuang Gaoqiao Yinzhou District,Ningbo City,China
TEL: 86-574- 88170908, 88089786
Fax: 86-574- 88170906, 88089789
E-mail: tc@ndmagnets.com (General Inquiry)
MSN ID: tcmagnet@hotmail.com (On line Chatting) |
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