How does a salt spray chamber help evaluate corrosion resistance in materials? Introduction:   A salt spray chamber is an essential laboratory testing instrument used to simulate corrosive environments for evaluating the corrosion resistance of materials and coatings. It is widely used in automotive, metal finishing, and coating industries. Functionality:  The chamber operates by spraying a fine mist of salt solution (usually 5% NaCl) onto test specimens over a set period. This accelerated testing method helps manufacturers predict how materials will perform in long-term, real-world conditions involving moisture and salt exposure. Benefits:  Using a salt spray chamber ensures product reliability, quality control, and compliance with international standards like ASTM B117. It enables quick comparison of different coatings, identifies design flaws, and aids in developing corrosion-resistant materials—ultimately reducing product failures and increasing customer satisfaction.