Salt Fog Chamber

Salt spray test is also called as Fog Test. This is an accelerated environmental corrosion test in which metal specimens are exposed either continuously or intermittently to a fine mist of salt-water solution used to evaluate the resistance to corrosion of paints, coatings, or electrical connections. The appearance of corrosion products (oxides) is evaluated after a period of time. Test duration depends of the corrosion resistance of the coating; the more corrosion resistant the coating is, the longer the period in testing without showing signs of corrosion.

In the salt spray test cabinet painted / coated panels, automobile components i.e Electro-plated, Painted, and Anodized etc are exposed to a mist of salt over a period of test duration. Saturated air produced by spraying common salt solution into an enclosed cabinet creates humid atmosphere upto 98%. The articles being positioned for this accelerated corrosion test in such a way that they are exposed to the hot mist produced in the chamber, through the controlled air and liquid nozzles. The instrument is suitable for testing as per IS /BS / ASTM standards. Testing is carried out at 35 deg cent. Or even upto 50 deg cent.