Development of New EVA Formulations for Improved Performance at NREL

Research output: Contribution to conferencePaper


We review in chronological order the research stages and fundamental concepts involved in developing modified and new EVA formulations for improved performance against photo-induced degradation and discoloration. The new NREL EVA formulations use additives totally different from the present commercial formulations (EVA A9918 and EVA 15295). Validation of their long-term photostability andthermostability is presently under way. Together with UV-absorbing glass superstrates, they may offer better success in achieving a more reliable module performance and longer service life without significant EVA discoloration problems, which are commonly experienced with EVA A9918 and, at a lesser rate, EVA 15295.
Original languageAmerican English
Number of pages16
StatePublished - 1997
EventNREL/SNL Photovoltaics Program Review: 14th Conference - Lakewood, Colorado
Duration: 18 Nov 199622 Nov 1996


ConferenceNREL/SNL Photovoltaics Program Review: 14th Conference
CityLakewood, Colorado

NREL Publication Number

  • NREL/CP-520-22137


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