Salt Spray Test Chamber

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Environmental test chamber used for testing the corrosion resistance of products

Configurations

The outer and inner shell of this salt spray test chamber (including acid salt spray test chamber) is made entirely of PP (polypropylene) material, fully welded. There is absolutely no leakage. Other accessories are made of stainless steel, copper, or corrosion-resistant, high-temperature-resistant materials.
Chamber Lid: The lid is made of PP board, designed with a 110-120° angle to prevent condensation from dripping directly onto test samples. The lid uses a water-sealed structure to ensure no salt spray escapes, and there's no splashing when the lid is closed. The observation window at the front is integrated with the lid, welded as a whole. The observation window measures approximately 300×250mm and features a double-glazed design with anti-frost coating.
Lid Support: The lid is supported by a pneumatic cylinder for easy opening and fixing, and when closing, it slows down the speed to prevent sudden impact. The metal rods around the cylinder are coated with corrosion-resistant sleeves to prevent rust and extend lifespan.
Water-sealed structure, no salt spray leakage, tower-type spray system, even distribution of salt spray, adjustable sedimentation levels, and crystallization-free nozzles.
To ensure uniform salt spray distribution, the spray tower includes a conical disperser to direct the spray and adjust both the spray volume and the even distribution of the sediment. The saturated air tank is heated according to Henry's law to provide the necessary humidity for the test chamber.
The saturated air tank is made of high-quality SUS304 stainless steel, and the heating component is made of advanced titanium alloy tubes.
Saturated Tank: Made of SUS304 stainless steel with an automatic water-filling feature.
Equipped with height-adjustable universal heavy-duty casters for easy movement and fixing of the equipment.
Spray System: Equipped with specialized glass nozzles, a saltwater tank, spray tower assembly, air saturation generator, key pneumatic components, air pressure regulation, spray pressure adjustment, salt spray collection devices (standard funnels and graduated cylinders), strong exhaust device, drainage system, and waste liquid recycling and treatment system.

Specifications

Temperature Range	RT 5℃～55℃
Saturated Air Barrel Temperature	RT 10℃～70℃
Temperature Range	30-98%RH
Spray Deposition	1-2mL/80cm²·h
Temperature Deviation	±2℃
Humidity Deviation	2%, -3% R.H
Temperature Fluctuation	±0.5℃
Spray Type	Continuous / Periodic (optional)

What factors influence salt spray testing?

Key influencing factors include test temperature and humidity, solution concentration, sample placement angle, pH value, salt spray fallout rate, and spraying method.

What is the difference between a composite salt spray corrosion test chamber and a traditional salt spray test chamber?

• Traditional Salt Spray Test Chamber: Primarily simulates a singular salt spray environment. Due to the limited environmental simulation, test results may not fully reflect a material's corrosion behavior in complex real-world conditions. It is suitable for testing materials and products with relatively straightforward requirements for a salt spray environment, such as assessing the corrosion resistance of ordinary metal products. These tests typically comply with standards like ASTM B117, ISO 9227, and others.
• Composite Salt Spray Corrosion Test Chamber: In addition to salt spray functionality, these chambers integrate multiple environmental simulation capabilities such as humid heat cycling, drying, and condensation. They can achieve alternating cycles of environmental conditions including salt spray, high temperature, low temperature, high humidity, and drying. This makes them suitable for simulating more complex working conditions, such as corrosion resistance and reliability testing for automotive components, aerospace materials, and electronic components under various environmental factors. These chambers are equipped with data monitoring and recording systems, allowing for real-time tracking of various parameters during the test, which facilitates analysis and traceability. They adhere to more complex cyclic corrosion standards like GMW 14872, SAE J2334, among others.

What are the roles of salt spray test chambers?

A salt spray test chamber is used to test the corrosion resistance of surface treatments such as painting, coating, and electroplating when exposed to a salt spray environment. The basic salt spray test chamber conforms to international test methods, including ASTM, ISO, and IEC standards.

What industries can use a corrosion testing chamber?

Salt spray test chambers are suitable for industries like automotive, aerospace, coatings, and metals. They help in developing corrosion-resistant materials, which are crucial for product reliability and longevity.