... sheet 1 light transmission 2 fire retardancy 3 impact resistance 4100% virgin bayer lexan material LNH-T043 high quality but low price clear ... GB 8624-97 test,7) Sound insulation and heat proofApplications:1) Roofing for swimming pool, shopping malls, commercial ... gazebo, open-air carport3) Lighting canopy for corridors, passages and subway entries4) ATM machine covers, telephone booth, gateways, ...