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Salt Spray Test VS Cyclic Corrosion Test

Apr 29, 2025

Salt Spray Test VS. Cyclic Corrosion Test

 

In the world of material testing, corrosion resistance is a crucial factor for ensuring product durability and longevity. Salt spray testing, conducted with a basic salt spray chamber, mimics the effects of salt exposure on materials, providing a straightforward and cost-effective way to assess corrosion resistance. On the other hand, cyclic corrosion testing, performed in a cyclic salt spray chamber, goes a step further by combining salt spray with fluctuating humidity, temperature changes, and dry conditions.

 

Both the LIB's Salt Spray Test Chamber and Cyclic Salt Spray Test Chamber provide reliable solutions for corrosion testing, but they vary in complexity, functionality, and application based on testing requirements.

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           Salt Spray Test Chamber                                       Cyclic Salt Spray Test Chamber

 

 

1.Similarity

Efficient and Stable Salt Spray Test System: Reliable Test Solution in Compliance with ASTM B117 Standard, etc.

Precise and demanding temperature control: According to ASTM B117, the salt spray system in the spray tower ensures a uniform and standardized salt spray by spraying 35°C ± 2°C preheated air in a saturated barrel.

Tightly controlled salt solution and stable control of spray pressure: This preheated air and the sodium chloride (NaCl) solution in the salt water tank with the standard mass ratio of 5±1% and a pH value between 6.5 and 7.2 are sprayed through quartz nozzles in the spray tower at a spray pressure of 83 KPA.

Highly efficient spraying process with precision and stability: The integrated operation of the saturated barrel, salt water tank, quartz nozzle, salt tower, salt spray collector, measuring cylinder during the spraying process ensures the accuracy and stability of the salt spray test for efficient and accurate test results.

As a result, both basic and circulating salt LIB's spray chambers are able to provide a uniform and stable salt spray test environment to test the corrosion resistance of samples under the requirements of standards such as ASTMB117.

 

2. Different Test Environments Are Simulated With

Easy - to - operate and Low - cost Salt Spray Test

The corrosion resistance of samples under temperature and salt spray conditions is tested by simulating a salt spray environment at a certain temperature under standards such as ASTMB117 in a LIB's basic salt spray chamber. It is mainly performed in salt spray mode, which is easy to operate and less costly and rigorously satisfying.

Comprehensive Salt Spray, Temperature, and Humidity Simulation for Cyclic Salt Spray Testing

Circulating salt spray chambers accurately and efficiently simulate temperature, humidity and salt spray through a circulating salt spray chamber. Salt spray mode, dry mode and humidity mode can be implemented in order to meet different types of practical requirements in testing.

Parameters

Salt Spray Test Chamber

Cyclic Salt Spray Test Chamber

Temperature Range

Ambient~+60℃

+10℃~+90℃

Humidity Range

-

30%~98%RH

Salt Spray Settlement

1~2 ml/80cm²/h

1~2 ml/80cm²/h

Mode

Salt spray mode

Salt spray mode, Drying mode, Humidity mode

 

3.Different Structural Designs Based on Test Functions

LIB salt spray chamber

Structures

LIB's Salt Spray Test Chamber

LIB's Cyclic Salt Spray Test Chamber

sensor

PT-100 Class A Temperature Sensor

PT-100 Class A Temperature and Humidity Sensor

Internal Systems

Salt spray system

Salt spray systems, air circulation systems, refrigeration systems, humidity systems, and water circulation systems.

The Way the Door Opens and Closes

Manual plus pneumatic

Pneumatic only

Control Panel

Push Button or PID Controller

PID Controller

Salt Water Tank Location

Built-in or external

External

Spray Tower Location

A spray towers located in the center of the workroom.

Two spray towers hanging on both sides of the workroom.

 

Key Differences in senors

In the LIB's Basic Salt Spray Chamber, the precise and convenient temperature-controlled salt spray system structural design.

Based on the fact that workroom need to perform salt spray tests at certain temperature requirements, the Basic Salt Spray Chambers are equipped with the Salt Spray Series design (spray towers, etc.) and PT-100 Class A temperature senor to ensure that the test temperatures and salt sprays are accurate and efficient.

In the LIB's Cyclic Salt Spray Test Chamber, it's the diverse and accurate control of temperature, humidity, and salt spray system structural design.

Based on the need to control temperature, humidity, and salt spray, the circulating salt spray chambers are equipped with a salt spray series design (spray tower, etc.) and PT-100 Class A temperature and humidity sensors to ensure accurate and efficient multi-functional testing of temperature, humidity and salt spray.

 

Key Differences in Internal Systems

In the LIB's Basic Salt Spray Chamber, precise focus on efficient and simple structural design of salt spray systems in basic salt spray chambers.

Basic salt spray test chambers are characterized by cost-effectiveness, ease of operation, high accuracy and cost savings due to the structural design of a single salt spray system. Because only the control and optimization of the salt spray system are carried out.

In the LIB's Cyclic Salt Spray Test Chamber, multi-mode efficient and accurate salt spray system, air circulation system, refrigeration system, humidity system, and water circulation system structural design.

The multi-mode design of the system improves testing efficiency, saving time and energy, while ensuring reliability and stability of results and adapting to a wide range of complex testing conditions. Because the cyclic salt spray tester integrates multiple systems (salt spray, air circulation, refrigeration, humidity and water circulation systems), it efficiently and accurately controls temperature, humidity and salt spray to meet a wide range of testing needs.

 

Key Differences in Appearance and Operation

The Way the Door Opens and Closes

As for Salt Spray Test Chamber, the small S-150 and S-250 open manually; the large S-750 and S-010, S-016, and S-020 open pneumatically.

As for Cyclic Salt Spray Test Chamber, It's pneumatic only because it is difficult to open or close by people.

Control Panel

In terms of Salt Spray Test Chamber, since only the salt spray system needs to be controlled, the Push Button allows for quick and easy control at a low cost.

In terms of Cyclic Salt Spray Test Chamber, the PID programmable color touch screen controller allows easy control of temperature, humidity, and salt spray test parameters, with multi-language support, real-time monitoring, programmable functions, remote access, and alarm features for enhanced user convenience.

Location of Salt Water Tank and Spray Tower

For Salt Spray Test Chamber, the internal or external placement of the salt spray chamber depends on the size of the chamber.The spray tower is centrally located in the chamber to ensure even distribution of salt spray and accurate test results.

For Cyclic Salt Spray Test Chamber, the external salt water tank and the two spray towers of the salt water chamber were optimized due to the large size of the unit in order to satisfy the aesthetics as well as the efficiency and accuracy of the tests.

 

Contact us for more specs and quotation of LIB salt spray corrosion test chambers.

 

 

 

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