Vehicle Salt Spray Test Chamber
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Vehicle salt spray test chamber is suitable for the salt spray corrosion tests of protection layer of components and parts, electronic hardware components, metal materials and industrial products.
This test chamber typically find application in automotive industry such as salt spray corrosion test of car body, chassis and engine. It can handle neutral salt spray test, acetate spray test and copper accelerated acetate salt spray test.
Standards
- GB/T10587-2006 Specification for salt mist testing chambers
- GB/T2423.17-2000 Environmental testing for electric and electronic products- Test Ka: Salt mist
- GB/T 10125-2012 Corrosion tests in artificial atmospheres - salt spray tests
- QC/T 732-2005(2012) Accelerated corrosion testing method for passenger car
- GB/T 5170.2-08 Inspection methods for environmental testing equipment for electric and electronic products - Temp. testing equipment
- GB/T5170.5-08 Inspection methods for environmental testing equipment for electric and electronic products - Part 5: Damp heat testing equipment
1.Salt spray
| Average relative velocity of air to test sample | 20-60m/min |
| Salt spray settlement amount | 1-2 (ml/80cm2..h) |
| NaCl solution concentration | 5±0.5% |
| Neutral salt spray test (NSS) collection liquid PH value | (6.5-7.2) |
| Acetate spray test (AASS) collection liquid PH value | (3.0-3.3) |
| The copper accelerated acetic acid salt spray test (CASS) collection liquid PH value | (3.0-3.3) |
| The angle of baffle and vertical direction | 15±2 |
| Number of sprayers | 8 (Ensure even distribution of salt spray) including 2 on bottom |
| Spray method | Air spray, continuous or interval |
| Saturator heating rate | Room Temp. ~ 37℃, ≤ 30 min |
| Salt water tank heating rate | Room Temp.~ 35℃, ≤30 min |
| Temp. range | 20 ° C -80℃ |
| Temp. range | 20℃～ 50℃ |
| Temp. deviation | ±2.0℃ (no-load test) |
| Temp. uniformity | 2.0℃ |
| Temp. fluctuation | ±0.5℃ |
| Empty chamber: | from 25℃ to 50℃≤30min, averagely |
| Humidity range | 85～100%R.H |
| Humidity deviation | ±5% R.H (no-load test) |
| Humidity uniformity | 5% R.H (no-load test) |
| Humidity fluctuation | ±2.5% R.H |
| Noise | 5m from equipment < 70 db |
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