Salt Spray Test Chambers

by Autotest Mechanisms Pvt. Ltd., Noida
Since 1973
AMPL Specializes in Manufacturing of Standard & Customized Salt Spray Chambers. These heavy duty chambers are designed as per Industry Standards. Integrated with latest technologies, these chambers provide reliable & efficient testing operation. We provide Water Spray, Dust Test, Hot & Cold Chambers and Humidity Chambers. We work closely with our customers, understand their requirements & provide them best service in the industry.
JIS Z 2371
ISO 9227

Description & Details
What is Salt Spray Chamber?
  1. Salt Spray or Salt Fog is a standardized and popular corrosion test method which is used to check corrosion resistance of materials & Surface Coatings.
  2. It is an accelerated corrosion test that produces a corrosive attack to coated/surface finished samples in order to measure the suitability of the coating/finish for using it as protective finish.
  3. Chamber construction, testing procedure and testing parameters are standardized under national and international standards, such as ASTM B 117 and ISO 9227.
  4. These standards describe the necessary information to carry out this test; testing parameters such as temperature, air pressure of the sprayed solution, preparation of the spraying solution, concentration, pH, etc. Daily checking of testing parameters is necessary to show compliance with the standards, so records shall be maintained accordingly.
  5. ASTM B117 and ISO 9227 are widely used as reference standards. Testing cabinets are manufactured according to the specified requirements.
  1. Salt spray testing is popular because it is relatively inexpensive, quick, well standardized, and reasonably repeatable.
  2. The apparatus for testing consists of a closed testing cabinet/chamber, where a salt water (5% NaCl) solution is atomized by means of spray nozzle(s) using pressurized air.
  3. This produces a corrosive environment of dense salt water fog (also referred to as a mist or spray) in the chamber, so that test samples exposed to this environment are subjected to severely corrosive conditions.
  4. Chamber volumes vary from supplier to supplier. If there is a minimum volume required by a particular salt spray test standard, this will be clearly stated and should be complied with.
  5. There is a general historical consensus that larger chambers can provide a more homogeneous testing environment.
  6. Variations to the salt spray test solutions depend upon the materials to be tested.
  7. The most common test for steel based materials is the Neutral Salt Spray test (often abbreviated to NSS) which reflects the fact that this type of test solution is prepared to a neutral pH of 6.5 to 7.2. Results are represented generally as testing hours in NSS without appearance of corrosion products (e.g. 720 h in NSS according to ISO 9227).

Salt Spray Test Chamber Video

  • These are standard sized chambers suitable for most of the applications (270 Ltrs & 700 Ltrs).
  • These chambers have all the essential features required in a Salt Spray Chamber.
  • These are custom sized chambers suitable for specific applications.
  • These chambers have all the essential & Additionally required features required in a Salt Spray Chamber.

    1. The ASTM B117 test method involves creating a controlled accelerated corrosive environment(TemperaturE & Pressure) in a salt spray cabinet or chamber made up of corrosion free material to determine the effects of corrosion on a test specimen/sample.
    2. Our durable salt spray testing chambers can test a number of test specimens of many sizes, shapes and dimensions for the ASTM B117 Salt Spray Test.
    3. We can also control the duration/timing of the exposure for the test according to specific to customers requirements.
    Salt Spray & Salt Fog Testing Methods
  • Neutral salt spray (NSS)
  • Acetic acid salt spray (ASS)
  • Copper-accelerated acetic acid salt spray (CASS)
  • Calcium chloride (CaCl2)
  • Synthetic seawater testing
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