Q
how long does polyethylene last in sunlight
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Polyethylene, a common plastic used in various applications, has different lifespans when exposed to sunlight, primarily due to its susceptibility to UV radiation. Typically, untreated polyethylene can start degrading within a few months of direct exposure. However, the addition of UV stabilizers can significantly extend its outdoor longevity to several years. The exact duration depends on factors such as the level of UV stabilizer, the thickness of the material, and the intensity of sunlight in a particular region. For example, high-density polyethylene (HDPE) with adequate UV protection can last outdoors for 10 to 15 years or more. It is crucial to specify the need for UV resistance in products intended for long-term outdoor use to ensure durability and performance over time.
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