What are the best UV-resistant fabrics for polypropylene lounger cushions?

When selecting fabrics for polypropylene lounger cushions, UV resistance is a critical factor to ensure longevity and color retention under harsh sunlight. The best UV-resistant fabrics for this purpose include solution-dyed acrylic, polyester with UV inhibitors, and olefin (polypropylene) fabric. Solution-dyed acrylic is highly fade-resistant and durable, making it ideal for outdoor use. Polyester treated with UV inhibitors offers excellent sun protection and is often more affordable. Olefin, a lightweight and moisture-resistant material, is naturally UV-resistant and perfect for humid climates. For optimal performance, look for fabrics with a high UPF (Ultraviolet Protection Factor) rating. These materials will keep your lounger cushions looking vibrant and fresh for years, even in direct sunlight.