Social Books - repair chip in windshield of car A windshield is designed with two layers of glass separated by a layer of PVB that carries out several purposes; it adhesives the layers together as well as bonds them, it enhances the glass in the event of a break (requiring it fall apart rather than shatter into large fatal shards) as well as it minimizes UV exposure. Mon, 06 Aug 2018 04:29:10 UTC en