Salt spray testing is a method of checking the corrosion resistance of coatings and materials used to make products such as fasteners. It is an accelerated corrosion test that simulates corrosion in Marine climates and other harsh environments by producing corrosive gases and moisture containing sodium chloride in a salt spray laboratory. Salt testing machine can be used to assess the corrosion resistance of materials and compare the properties of different materials in a short period of time.
Test Method of SST Chamber
Salt spray test methods are often used: neutral salt spray (NSS) test, acetate spray (ASS) test, copper accelerated acetate spray (CASS) test.
Salt spray test apparatus is a kind of environmental test which mainly uses artificial simulated salt spray environmental conditions created by salt spray test equipment to assess the corrosion resistance of products or metal materials.
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ASTM test methods include:
ASTM B117: Standard Method for salt spray testing
ASTM D665: Test method for neutral salt spray
ASTM D173: Test method for salt spray in corrosion chambers
ASTM D2247: Test method for neutral salt spray with guides
ASTM D3689: Test method for neutral salt spray on aluminum alloys
ASTM D4799: Test method for neutral salt spray on steel guides
ASTM D5007: Test method for neutral salt spray of Stainless steel
ASTM D6110: Test method for neutral salt spray of coatings
ASTM D665A: Neutral salt spray test method, including transition rating
ASTM D7059: Bronze neutral salt spray test method
Model |
SSTC - 60 |
SSTC - 90 |
SSTC - 120 |
SSTC - 160 |
SSTC - 200 |
Internal Dimension WxHxD (mm) |
600x450x400 |
900x500x600 |
1200x500x800 |
1600x500x800 |
2000x500x1000 |
External Dimension WxHxD(mm) |
1100x600x1200 |
1400x900x1300 |
1900x1300x1400 |
2300x1300x1400 |
2700x1500x1500 |
Lab Capacity(L) |
110 |
270 |
500 |
800 |
1500 |
Saline Capacity(L) |
15 |
25 |
40 |
40 |
40 |
Lab Temperature |
Saline test (NSS ACSS) 35 ± 1℃; Corrosion Test (CASS) 50 ± 1℃ |
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Pressure Bucket Temperature |
Saline test (NSS ACSS) 47 ± 1℃; Corrosion Test (CASS) 63 ± 1℃ |
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Saline Concentration |
5% concentration of NaCI, or every Liter 5% NaCI add 0.26g CuCI2H20 |
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Spray Volume |
1.0~2.0ml/ 80cm²/h (working at least 16 hours, and take the average value) |
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Spray Form |
Continuous spraying or programmable spraying |
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Compressed Air Pressure(Kgf) |
1.0 ~ 6.0 |
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Power |
AC 220V; 1∮ 3 lines |
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Approx. Weight (Kg) |
65 |
80 |
120 |
160 |
200 |