... ,light and soft (2) Shock resistance: is the glass product 200 times, almost no risk of fracture.(3) Flame resistance ... : not spontaneous combustion and self extinguishing nature(4) Rationality: rationality design, waterproof moisture-proof, open structure, convenient repair.(5) Durability: ... shopwindow,soundproof windows and doors,mining mask,telephone booths,etc Acrylic Plastic Sheet for signboard