Can light penetrate plastic polypropylene uv
What can Ultraviolet radiation pass? - Chemistry - Science Forums
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Depends mostly on the wavelength. UV of ~nm Will pass through most plastics. But less than ~nm would be absorbed.
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Description:Polypropylene is susceptible to quick degradation by sunlight while polyester innately resists deterioration. They target the many possible ways of polymer degradation: When polystyrene is subjected to UV irradiation in the presence of air, it undergoes a rapid yellowing and a gradual embrittlement. Polymers are useful because of their strength and durability in many applications. Storage conditions, and Addition of appropriate stabilizers. It may eventually involve physical processes, such as polymer recrystallization, or denaturation of protein structures.