Composite salt spray test chamber

1、 Product Features:

compositeThe salt spray test chamber is an artificial climate simulation environmentOne of the "Three Defenses" (Damp Heat, Salt Spray, Mold) testing equipment, the salt spray test chamber is used to provide a salt spray environment during the paint coating verification process and assess the coating's resistance to salt spray corrosion.

Sample limitations：This testing equipment prohibits the testing of samples containing flammable, explosive, and volatile substances; Test for storing corrosive substance samples, test for storing organisms, test for storing strong electromagnetic emission source samples, and storage

2、 Execution standards:

Can be pressed GB/T10125-1997, ASTM B117-2002, BS7479:1991 GB/T20853_2007 are used for neutral salt spray test (NSS), acetate salt spray test (ASS), copper accelerated acetate salt spray test (CASS), and cyclic corrosion test according to standards such as GM9540P.

1. GB/T20854-2007/ISO14993-2001 Dry and Wet Salt Spray Test

2. GB-T5170.8-2008_ Inspection methods for environmental testing equipment for electrical and electronic products-Salt spray testing equipment

3. GJB150.11A-2009 Equipment Laboratory Environmental Test Method Salt Spray Test

4. MIL-STD-810 Method 509.5 Salt Spray Test Standard

5. GBT2423.17-2008 Salt Spray Test Method

6. GB-T2423.18-2021 Sodium Chloride Alternating Salt Spray Test Method

7. GB-T2423.3-2006 (IEC6008-2-78-2001) Test Cab: Constant Damp Heat Test Method

8. GBT2423_1-2008 Damp Heat Alternating Test Method

9. GMW-14872 Automotive cyclic corrosion test

10. IEC60068-2-52-2017 Environmental testing Part 2-25 Test Kb cyclic salt spray (sodium chloride solution)

IEC 60068-2-11-1982 Electrical Technology Basic environmental testing procedures Part 2: Experiments Section 11: Test Ka: Salt Spray

12. ASTM B117-2016 Salt Spray Test Standard

13. ISO 9227:2006 Artificial Atmosphere Corrosion Salt Spray Test

14. SAE J2334 Salt Spray Corrosion Test Standard for Coatings

GBT 10125-2021 Artificial Atmosphere Corrosion Test Salt Spray Test

3、 Main technical specifications and parameters:

1. Inner box size ：1200 × 800 × 600 (mm) W × D × H without bottom heating layer, without lid height

appearanceSize:about2580×1480×1530（mm）W×D×H

2. Studio capacity: 576 L

3. temperature range：Adjustable from 10 ℃ to 80 ℃

4Humidity range: 20-100% R.H

5.Control accuracy: Temperature resolution:0.01℃

6.Humidity resolution:0.1%R.H

7.Temperature deviation±2.0℃

8.Temperature uniformity:≦2.0℃

9.Temperature fluctuation:±0.5℃

10.Humidity deviation±3.0％RH（＞75％RH）±5.0％RH（≤75％RH）

11.humidity uniformity:±3.0%R.H

12.Humidity fluctuation:±2.0%R.H

13.Heating rate and conversion time: salt spray(35 ℃) → Drying (60 ℃, 20~30% RH) ≤ 30 min

14.dry(60 ℃, 20-30% RH) → Wetting (50 ℃, 95%+/-5% RH) ≤ 15 minutes

15.moist(50 ℃, 95%+/-5% RH) → salt spray (35 ℃) ≤ 30 min (spray is required immediately after switching)

Test conditions: This machine complies with the salt dry wet composite test method: salt spray test → Hot air forced drying test → Wetting test

（A) Salt water spray test: NSS, ACSS, CASS

(1) Neutral and acidic salt spray test:

Laboratory temperature:35℃ ±1℃

Saturation bucket temperature:47℃±1℃

(2) Copper accelerated salt spray test:

Laboratory temperature:47℃±1℃

Saturation bucket temperature:63℃±1℃

(3) Settlement amount: 1-2ml (ml/80cm2/h) (average amount over 16 hours)

(4) Spray pressure: 1.0 kg/cm2 ± 0.5 kg/cm2

(5) Salt water concentration: 5% or concentration of 5% plus 0.26 grams of copper chloride (CuCl2 2H2O)

(6) PH value: Neutral test 6.5-7.2 Acid test 3.0-3.3

(7) Installation angle of sample plate: 15 °~30 °

（B) Hot air drying test (DRY):

(1) Temperature: 60 ℃

(2) Humidity: RH ≤ 30%

(C) Humidity Test (SOAK)

(1) Temperature: 23 ℃, humidity: 50% ± 3%

(2) Temperature: 40 ℃, humidity: 93% ± 3%

(3) Humidity: 50 ℃, humidity: RH ≥ 98%

16Environmental temperature and humidity: 5-55 ℃, not exceeding 85% R.H.

17. Work noise: ≤ 75db, measured in the air at a distance of 1 meter from the front of the machine and 1.2 meters from the ground

18: Salt spray 2h @ (35+/-2) ℃, 5% saline brine

19：干燥 dry period 4h @[（60±2）℃ & RH<30%]

20: Damp heat humidity period 2h @ [(50 ± 2) ℃&RH (95 ± 5)%]

Jointly conducted60 cycles for 480 hours, total 60 cycles for 480 hours. The oil pump does not work

5% saltwater containing 95% NaCl, 2.5% MgCl, 2.5% CaCl2