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This question already has an answer here:

I would like to know what the latest materials used for civil and military aircraft windshields are. And I wonder if the materials are advantageous in the event of a birdstrike.

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marked as duplicate by Sanchises, jwenting, Pondlife, CGCampbell, fooot Jun 6 '18 at 14:58

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • $\begingroup$ Searching for "airplane windshield material" found me this: aviation.stackexchange.com/questions/44412/… $\endgroup$ – yshavit Jun 6 '18 at 7:52
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    $\begingroup$ This question is too vague and subjective to be answered. There are vast differences in the construction, size, thickness, lamination, and angles of windshields. $\endgroup$ – jwzumwalt Jun 6 '18 at 11:55
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Here is an example of the latest and greatest.

http://www.ppgaerospace.com/getmedia/926cb26f-e047-477d-b604-62d079f494bc/B787_TD_FINAL.pdf.aspx?ext=.pdf

You will notice that instead of multiple glass laminations separated by plastic interlayers of traditional aircraft windshields, the 787's windshields are basically two thick layers of acrylic plastic (plexiglas) as the main structural element, with interlayers to separate them and just a single outer layer is high strength glass. This would provide superior birdstrike resistance while the glass outer layer maintains a hard outer surface that won't scratch easily.

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