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News & Resources

A Characterization of Yellowing Caused by UV Radiation on Silicone Encapsulants, and Improvements in Future Materials

This study evaluates twenty-one samples for their change in optical transmission due to a 680-6800J/cm2 dose of UV radiation. Samples were made from UV curing acrylate, epoxy and silicone chemistries. All samples were prepared and exposed the same way so that comparisons between the samples would be meaningful. Given the same dosage of UV, silicones perform better than UV curing acrylates, which perform better than epoxies.