Are there industry standards for stress-testing polyethylene outdoor sculptures?

Polyethylene outdoor sculptures are popular for their durability and resistance to weather, but are there established industry standards for stress-testing these artworks? While polyethylene is known for its toughness, manufacturers and artists often rely on general material testing protocols rather than sculpture-specific standards. Common stress tests include UV exposure, impact resistance, and thermal cycling to simulate long-term outdoor conditions. Some organizations, like ASTM International, provide guidelines for plastic durability, but these are not tailored exclusively to sculptures. For optimal longevity, experts recommend combining material science insights with artistic design considerations. Always consult manufacturers or material engineers to ensure your polyethylene sculptures withstand environmental stressors effectively.