What are the thermal expansion characteristics of acrylic fabric in outdoor trash cans?

Acrylic fabric demonstrates notable thermal expansion characteristics when used in outdoor trash cans, primarily due to its synthetic polymer composition. When exposed to temperature fluctuations—ranging from extreme summer heat to cold winter conditions—the material expands and contracts. The coefficient of thermal expansion for acrylic is approximately 70-80 × 10^{-6}/°C, meaning it expands noticeably with temperature increases. This behavior can affect the fabric's fit and tension in trash can covers or liners, potentially leading to sagging or loosening over time. However, acrylic's resilience often allows it to return to its original shape once temperatures stabilize. To mitigate excessive expansion, manufacturers often blend acrylic with other materials or use specialized weaving techniques. Regular maintenance and proper installation can help manage these thermal effects, ensuring durability and functionality in outdoor settings.