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How do manufacturers address the issue of yellowing in white plastic landscape chairs?
White plastic landscape chairs are popular for their affordability and versatility, but yellowing over time is a common issue. Manufacturers employ several strategies to combat this problem and ensure longevity.
1. UV Stabilizers: Adding UV-resistant additives to the plastic formulation helps block harmful sunlight, slowing down oxidation and discoloration.
2. High-Quality Resins: Using premium polyethylene or polypropylene reduces susceptibility to environmental degradation.
3. Protective Coatings: Some chairs feature a clear acrylic or polyurethane layer to shield against UV rays and moisture.
4. Pigment Selection: Titanium dioxide (TiO2) is often used as a whitening agent due to its stability and resistance to fading.
5. Anti-Oxidant Additives: These chemicals delay the breakdown of polymer chains, preventing yellowing caused by heat and oxygen exposure.
Regular cleaning and avoiding harsh chemicals also prolong the chair's whiteness. By combining these methods, manufacturers deliver durable, aesthetically pleasing outdoor furniture.
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