... the weight of glass of the same thickness5) Ultraviolet resistance: with UV protective layer6) Flame resistance: rated class B1 7) Sound ... ,6mm,7.5mm,8mm,10mm,12mm,14mm,16mm ,18mm. Also with twin-wall and triple-wall about 12mm,14mm,16mm,18mm4) Color ... upon requests6) Lead time:5-7days7) Packing:Both sides covered with PE filmApplications:1) Telephone booths 2) sign board\ Road signs ...