What property of fabric enhances its protection against UV light in aircraft covering?

The property of fabric that enhances its protection against UV light in aircraft covering is the type of fabric used. Different fabrics have varying levels of UV resistance based on their material composition and weave characteristics. For example, synthetic materials like polyester or nylon generally offer better UV protection than natural fabrics, as they are specifically engineered to withstand the damaging effects of sun exposure. Additionally, certain treatments or finishes can further improve the fabric's ability to block UV radiation.

While factors such as color, thickness, and the application of dope can influence the overall durability and performance of an aircraft covering, the inherent properties of the fabric itself play a crucial role in its ability to protect against UV light. A fabric that is designed or treated for UV resistance can significantly increase the lifespan of the aircraft's covering and protect underlying structures from sun damage.