spraying device. The device for spraying the salt solution comprises a clean air supply, of controlled pressure and humidity, a reservoir to contain the solution to be sprayed, and one or more spray nozzle.
The compressed air supplied to the spray nozzle shall be passed through a filter to remove all traces of oil or solid matter and shall be at an absolute pressure of 70 kPa to 170 kPa through a saturator at 40 C. The spray nozzle shall be made of inert material, with baffles to prevent direct impact of spray on the test pieces.