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| Magnets inspection |
| HOME >> Magnets inspection |
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Use coating thickness Analysis tester to inspect the thickness of coating by electroanalysis.
Or Perform material coating thickness analysis using anode dissolve coulometry. |
Coating Thickness Meter |
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Test condition :
Temperature:35C Degree,5% NaCl ,Continous spray,example.Nickel coating ,spray for 24 hours.
Test Standard/Criterion:
Coating is good ,doesn't get off,no bubbles,no dots.no rust appear. |
| Salt Spray Test(SST) |
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Our PCT And HAST TEST are all finished in their inspection instruments
One test is Pressure cooker Test (PCT):
-PCT TEST is used to test the magnets with Coating.
Test condition :
121C and 95% RH and 2 atmos pressure, test for 24 hours,example.Nickel coating
Test Standard/Criterion:
Coating does not Get off, there are no air bubbles or dots Appear
The second test is Highly Accelerated Stress Test (HAST
HAST TEST is used to test the un-coated magnets,to check the weight loss of magnets at the following test condition.
Test Condition:
132C and 95%-100% RH and 3 Atmos Pressure,Test for 7 Days.
The following is some weight loss datas of our magnets,which we tested for other customers in the past |
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| HAST(Highly Accelerated Stress Test) Results |
| Grade |
Dimension |
Test Condition |
Weight Before Test(mg) |
Weight After Test(mg) |
Weight Loss (mg/cm2) |
| Pressure(Mpa) |
Temperature(℃) |
Time (Hour) |
| 38SHT |
10*10*9 |
0.2 |
121 |
120 |
6820.1 |
6809.6 |
1.88 |
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6818.2 |
6805.5 |
2.27 |
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6818.8 |
6806.3 |
2.23 |
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6785.7 |
6770.5 |
2.71 |
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6784.5 |
6768.4 |
2.88 |
| Average Weight Loss |
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|
2.39 |
| 33UHT |
D25.4*2.54 |
0.2 |
121 |
168 |
9708.7 |
9693.2 |
1.28 |
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9717.9 |
9701.7 |
1.33 |
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9701.6 |
9689.0 |
1.04 |
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9703.5 |
9689.3 |
1.17 |
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9663.2 |
9648.3 |
1.23 |
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9693.2 |
9678.9 |
1.18 |
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9613.3 |
9600.2 |
1.08 |
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9701.5 |
9686.9 |
1.20 |
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9712.9 |
9699.2 |
1.13 |
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9687.8 |
9671.2 |
1.37 |
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9700.4 |
9674.5 |
2.13 |
| Average Weight Loss |
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1.28 |
| N45 |
10*10*5 |
0.2 |
121 |
120 |
3777.6 |
3774.4 |
0.80 |
| |
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3788.7 |
3783.6 |
1.27 |
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3792.0 |
3785.6 |
1.60 |
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3788.9 |
3782.9 |
1.50 |
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3774.4 |
3770.1 |
1.08 |
| Average Weight Loss |
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1.25 |
| L-30AHT |
10*10*5 |
0.2 |
121 |
120 |
3849.6 |
3844.6 |
1.25 |
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3855.7 |
3850.2 |
1.38 |
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3873.7 |
3870.3 |
0.85 |
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3869.3 |
3864.1 |
1.30 |
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3860.4 |
3855.6 |
1.20 |
| Average Weight Loss |
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1.20 |
| 33EHT |
10*10*8 |
0.2 |
121 |
144 |
6155.6 |
6148.8 |
1.31 |
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6125.9 |
6120.1 |
1.12 |
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6131.3 |
6125.5 |
1.12 |
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6053.0 |
6047.1 |
1.13 |
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6127.7 |
6120.5 |
1.38 |
| Average Weight Loss |
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|
1.21 |
| 42HT |
10*10*6 |
0.2 |
121 |
144 |
4525.8 |
4520.5 |
1.20 |
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4554.1 |
4547.6 |
1.48 |
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4532.4 |
4527.7 |
1.07 |
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4569.5 |
4559.6 |
2.25 |
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4523.9 |
4517.1 |
1.55 |
| Average Weight Loss |
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1.51 |
| L-38SHT |
R29.5*R29.5*20*15.7*2 |
0.25 |
126 |
168 |
4307.0 |
4284.2 |
3.03 |
| |
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4305.0 |
4281.6 |
3.11 |
| Average Weight Loss |
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3.07 |
| L-38SHT |
R29.5*R29.5*23.5*24*3 |
0.25 |
126 |
168 |
11898.5 |
11823.9 |
5.37 |
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11805.0 |
11749.3 |
4.01 |
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11901.0 |
11834.3 |
4.80 |
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11899.0 |
11866.9 |
2.31 |
| |
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11885.9 |
11822.7 |
4.55 |
| Average Weight Loss |
|
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|
4.21 |
| L-38SHT |
R231.5*r223.5*75.5*16.52 |
0.2 |
121 |
96 |
307090.0 |
306988.2 |
0.88 |
| Average Weight Loss |
|
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|
0.88 |
| L-38SHT |
R229.8*r223.8*17°*83 |
0.2 |
121 |
96 |
256240.0 |
256121.9 |
0.91 |
| Average Weight Loss |
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|
0.91 |
| 33EHT |
R98.5*R93.5*39*50 |
0.2 |
121 |
120 |
47099.9 |
46954.3 |
3.12 |
| Average Weight Loss |
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|
3.12 |
| 33EHT |
10*10*10 |
0.2 |
121 |
120 |
7691.2 |
7673.1 |
3.02 |
| Average Weight Loss |
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|
3.02 |
| 38UHT |
13.72*7.37*2.67 |
0.25 |
126 |
96 |
206.48 |
202.79 |
1.17 |
| |
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205.64 |
202.3 |
1.06 |
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206.46 |
202.99 |
1.10 |
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|
205.99 |
191.02 |
4.75 |
| Average Weight Loss |
|
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|
2.02 |
| L-33EHT |
R98.5*R93.5*39*50 |
0.2 |
121 |
120 |
47099.9 |
47055.9 |
1.06 |
| Average Weight Loss |
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|
1.06 |
| 38HT |
57*32*12 |
0.2 |
121 |
96 |
157530.0 |
157361.1 |
2.92 |
| Average Weight Loss |
|
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2.92 |
| L-33EHT |
15*9*3 |
0.2 |
121 |
120 |
3170.7 |
3166.5 |
1.01 |
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|
3172.5 |
3168.2 |
1.04 |
| Average Weight Loss |
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1.03 |
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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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