How Long Does Polyethylene Last in the Sun? UV Exposure and Durability Explained

Discover how long polyethylene lasts under sunlight and how UV stabilizers can extend its lifespan for outdoor use.

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When exposed to sunlight, polyethylene can last from 2 to 3 years before it starts showing signs of degradation. This lifespan is due to UV radiation causing the polyethylene to break down over time. However, adding UV stabilizers or protectants can extend the durability of the polyethylene when exposed to sunlight. It's crucial for outdoor polyethylene products, like tarps or plastic furniture, to have UV protection to ensure a longer life against the elements.

FAQs & Answers

  1. What causes polyethylene to degrade in sunlight? Polyethylene degrades in sunlight due to the UV radiation breaking down its molecular structure over time.
  2. How can the lifespan of polyethylene be extended outdoors? Adding UV stabilizers or protectants to polyethylene products can significantly extend their durability when exposed to sunlight.
  3. What is the typical lifespan of polyethylene exposed to sun without protection? Without UV protection, polyethylene generally lasts about 2 to 3 years before signs of degradation appear.

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