Product Description
A salt spray test chamber, also known as a salt fog chamber or salt corrosion test chamber, is a specialized piece of equipment used in corrosion testing. Its primary purpose is to simulate and accelerate the corrosion process that metals and coatings may undergo when exposed to a saline or salt-laden environment, such as coastal regions or areas subject to road salt usage.
The chamber typically consists of a sealed enclosure where a controlled salt fog or mist is generated and maintained. The test samples, which may include metal specimens, coatings, or finished products, are placed inside the chamber and exposed to the salt fog for a predetermined period of time.
During the test, the samples are periodically inspected to assess their corrosion resistance and durability. This evaluation may include visual examination for signs of corrosion, such as rust or surface pitting, as well as measurements of weight loss or changes in material properties.
Salt spray test chambers are widely used in industries such as automotive, aerospace, marine, and coatings manufacturing to evaluate the performance of materials and coatings under harsh environmental conditions. The results obtained from these tests help manufacturers improve product designs, select appropriate materials, and develop more corrosion-resistant coatings. Additionally, they may be used for quality control purposes to ensure that products meet specified corrosion resistance standards and requirements.
Salt Spray Test ChamberStandard Parameters
| HD-E808 | |
| Internal Size (LxW x H) | 900x600x500mm |
| External Size (LxWxH) | 1410x880x1280mm |
| Equipment Material | Both inside & outside shell adopt P.V.C rigid plastic board |
| Temperature Range | Room temperature 55 |
| Temperature Fluctuations | 0.5 |
| Temperature Uniformity | 2 |
| Temperature Precision | 1 |
| Spraying method | Continuous and Periodic spray type |
| Test Chamber Temperature | Salt Spray Method (NSS ACSS)35 1 Corrosion-resistant Testing Method (CASS) 50 1 |
| Saturated air Barrel Temperature | Salt Spray Method (NSS ACSS)47 1 Corrosion-resistant Testing Method (CASS) 63 1 |
| Brine Temperature | 35 1 |
| Spray Quantity | 1.0 2.0 ml / 80cm2 / hr |
| PH value | Salt Spray Method (NSS ACSS6.5 7.2) Corrosion-resistant Testing Method(CASS)3.0 3.2 |
| Lab Volume | 270L |
| Brine Tank Capacity | 25L |
| Multiple Safety Protection Devices | Current discharge protection, over pressure protection, over temperature protection, over load fuse protection |
| Accessories | Testing Salt/ Measuring tank/Nozzle Equipment x 1 set |
| Air source | 1HP Air pump (provided by buyer) |
The table parameters is for the company Standard Model parameters, we support customer customization parameters
Product Feature
- Reservoirs with mixing system on stand.
- Separate heating system apart from salt testing chamber to ensure accurate result and protect circuit.
- Exposure zone lined with corrosion-resistant PVC sheets.
- Clear cover allows viewing of test conditions.
- Peaked cover prevents dripping of condensation onto samples.
- Water seal and water level protection system.
- Heated humidifying tower with air relief valve, adjustable tower tip to orient salt fog.
- Automatic DI water fills to humidifying tower.
- Digital temperature control.
- Integral over-protection on heaters.
- Low water cut-off protection on humidifying tower.
Comprehensive Corrosion TestingThis salt spray test chamber provides reliable, accelerated corrosion testing for a wide spectrum of materials. Its programmable spray function supports both continuous and intermittent operation, ensuring flexible application for diverse testing protocols. With a robust stainless steel body, transparent polycarbonate hood, and a digital PID controller, users can effectively simulate harsh environments to evaluate product durability and quality.
Ease of Operation and SafetyDesigned for seamless operation, the chamber utilizes user-friendly touch controls and a clear digital display for easy monitoring. Safety features like over-temperature protection, low water warning, and safety interlock offer peace of mind during extended tests. The programmable timer allows for unattended operation up to 999 hours, making it suitable for rigorous industrial and laboratory requirements.
FAQs of Salt Spray Test Chamber:
Q: How does the Salt Spray Test Chamber operate to assess corrosion resistance?
A: The Salt Spray Test Chamber uses a programmable spray method, enabling both continuous and intermittent salt fog exposure. It introduces a 5% NaCl salt solution through a corrosion-resistant atomizer, simulating aggressive environmental conditions. The chamber maintains precise control over temperature, humidity, and fog collection rates to deliver repeatable and ASTM B117-compliant results.
Q: What types of specimens and applications is this chamber suitable for?
A: This chamber is ideal for testing coatings, metals, paints, and similar materials that require corrosion resistance evaluation. It supports up to 30 specimens, with customizable sizes (commonly 75150 mm), and is used by manufacturers, laboratories, and research institutions to adhere to industry standards such as ASTM B117, ISO 9227, and JIS Z 2371.
Q: When should I use continuous versus intermittent spray modes?
A: Continuous spray mode is typically used for standard corrosion tests as per ASTM B117, ensuring constant salt exposure. Intermittent spray mode is beneficial for tailored tests where cyclic exposure better simulates real-world environmental conditions, offering flexibility for diverse research and industry requirements.
Q: Where should the Salt Spray Test Chamber be installed for optimal performance?
A: Install the chamber in a controlled ambient environment with a temperature between 15C and 40C and relative humidity above 98%. Position it on the floor using the robust mounting base, ensuring accessibility to power supply (230V, 50Hz) and proper drainage for the gravity drain with sediment trap.
Q: What is the process for preparing and operating a test cycle?
A: Prepare a 5% NaCl solution in the 15-liter dedicated tank. Place specimens on the holder, set desired temperature, humidity, and timer using the digital PID controller, and select spray mode. The chamber atomizes the solution and maintains preset conditions, while safety systems monitor for over-temperature and low water. Upon completion, results can be analyzed based on corrosion effects.
Q: Why is automated operation and precise control beneficial for corrosion testing?
A: Automation ensures consistent testing conditions, reduces manual intervention, and increases repeatability of results. Precise digital control of temperature (1C), humidity (2% RH), and fog rate leads to accurate assessments, supporting reliable quality assurance and research conclusions.
Q: What maintenance is required for optimal chamber performance?
A: Routine maintenance involves cleaning the chamber and atomizer, inspecting water and salt solution tanks, and emptying the sediment trap. Regularly check safety features and programmable controls to ensure proper functioning, preserving the longevity and accuracy of the equipment.