A simple salt spray chamber design

Source: http://www.ascott-analytical.com/option-acc30.html


1. What is the ASTM spec. for salt spray testing of steel components?

2. What should be the rate of collection of condensed solution inside the chamber?

3. What type of spray nozzle is used in the salt spray chamber?

4. Why a cross cut is made on the coated panel before keeping the painted panel inside the chamber?