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How do manufacturers test the resistance of landscape chairs to saltwater corrosion for coastal use?
Manufacturers rigorously test the resistance of landscape chairs to saltwater corrosion to ensure longevity in coastal settings. One common method is the salt spray test (ASTM B117), where chairs are exposed to a controlled saline mist environment to simulate years of coastal exposure. Accelerated weathering tests, such as cyclic corrosion testing (ISO 14993), combine salt spray with UV exposure and humidity cycles for more realistic results.
Additionally, material selection plays a key role—marine-grade aluminum, stainless steel, and powder-coated finishes are often tested for pitting, rust, and coating adhesion. Electrochemical testing, like potentiodynamic polarization, measures corrosion rates in saline solutions.
Field testing in actual coastal locations provides real-world validation, with periodic inspections for structural integrity. Manufacturers also follow industry standards like ASTM G85 for modified salt spray tests tailored to outdoor furniture. These comprehensive methods ensure landscape chairs withstand harsh coastal conditions while maintaining aesthetic and functional quality.
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