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How do manufacturers test the resistance of landscape chairs to oil, grease, and other common stains?
Manufacturers rigorously test landscape chairs for resistance to oil, grease, and other common stains to ensure they withstand outdoor conditions. Here’s how they do it:
1. Material Selection: Chairs made from high-quality polymers, metals, or treated woods are pre-screened for inherent stain resistance.
2. Controlled Stain Application: Testers apply standardized amounts of oil, grease, and common stains (like coffee or wine) to the chair surfaces under controlled lab conditions.
3. Exposure and Dwell Time: The stains are left for specific durations (e.g., 24–48 hours) to simulate real-world use, followed by cleaning attempts using mild detergents or wipes.
4. Post-Test Evaluation: Chairs are inspected for discoloration, material degradation, or residual stains. Advanced techniques like spectrophotometry measure colorfastness.
5. Accelerated Aging Tests: Some chairs undergo UV and weather exposure to assess long-term stain resistance after environmental stress.
These methods ensure landscape chairs remain durable and aesthetically pleasing despite frequent exposure to stains.
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