Urban outdoor furniture faces constant exposure to strong sunlight, raising valid concerns about plastic brittleness over time. The ultraviolet (UV) radiation in sunlight initiates photodegradation, breaking down polymer chains in plastic materials. This molecular breakdown manifests as discoloration, surface cracking, and eventual brittleness that compromises structural integrity.
Various plastic types respond differently to UV exposure. Polyethylene and polypropylene generally offer better UV resistance than standard PVC or untreated plastics. Manufacturers often incorporate UV stabilizers and additives during production to enhance sun resistance. Look for furniture labeled "UV-resistant" or containing carbon black pigment, which provides natural UV protection.
Regular maintenance significantly extends plastic furniture lifespan. Apply UV-protective sprays specifically formulated for outdoor plastics every 3-6 months. During peak sunlight hours, use protective covers or position furniture in shaded areas. For already brittle furniture, specialized plastic restorers can temporarily improve flexibility.
Climate considerations matter significantly - furniture in equatorial regions requires more frequent protection than those in temperate zones. Modern advancements in polymer technology continue improving UV resistance, making today's outdoor plastics more durable than earlier generations. With proper selection and maintenance, quality plastic outdoor furniture can maintain its integrity for years despite strong sunlight exposure.