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How do manufacturers test the resistance of landscape chairs to sunscreen or lotion stains?
Manufacturers rigorously test landscape chairs for resistance to sunscreen and lotion stains to ensure durability and aesthetic longevity. The process typically involves controlled exposure to common staining agents, followed by detailed analysis.
1. Material Selection: Chairs made from synthetic resins, aluminum, or treated woods are often tested, as these materials are popular for outdoor use.
2. Stain Application: Sunscreen and lotion are applied in measured quantities to simulate real-world usage. Formulas with varying SPF levels and oil contents are used to cover a broad spectrum.
3. Exposure Time: The stains are left for hours or days, depending on the test protocol, to mimic prolonged contact.
4. Cleaning Evaluation: After exposure, chairs are cleaned using standard methods (e.g., mild soap, water, or specialized cleaners). Staining persistence and material damage are assessed.
5. Accelerated Aging: Some tests include UV exposure or humidity chambers to simulate long-term outdoor conditions.
Results help manufacturers improve coatings or material blends, ensuring chairs remain stain-resistant and visually appealing over time.
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