How does the crystallinity of polyethylene impact outdoor seating durability?

The crystallinity of polyethylene plays a critical role in determining the durability of outdoor seating. Higher crystallinity results in a more tightly packed molecular structure, improving strength, rigidity, and resistance to environmental stressors like UV rays, moisture, and temperature fluctuations. Semi-crystalline polyethylene, commonly used in outdoor furniture, offers a balance of flexibility and toughness, ensuring long-term performance. Low-crystallinity variants may degrade faster under outdoor conditions, leading to cracking or warping. By optimizing crystallinity, manufacturers can produce seating that withstands harsh weather while maintaining aesthetic and functional integrity. Understanding this relationship helps in selecting the right polyethylene grade for durable outdoor applications.