... .20mm,22.36mm,23.04mm Certification:GB17840-1999 Bulletproof Glass Specification of Bulletproof glassBulletproof glass which is composed of multilevel glasses ... of the special property of multilevel films of standard laminated bulletproof glass, so cutting tools for soundless glass has no ... due to attacked glass. All of F79-M-J-SB bulletproof glasses, produced by our company are qualified by sampling ...