safety glass
From Longman Dictionary of Contemporary EnglishRelated topics: Glasssafety glassˈsafety glass noun [uncountable] TIGstrong glass that breaks into very small pieces that are not sharp, used, for example, in car windowsExamples from the Corpussafety glass• If safety glass used in glazed doors and low level windows.• Miraculously neither of the victims appeared hurt despite the piles of safety glass glittering in the street.• Almost immediately the safety glass shattered and all they could see were white chips.