Panel : Polycarbonate panel,30mm/50mm thicknessHardware:All the tightening hardware are made of zinc-plated steel Safety device:- Air Bag Protection Device: automatically rising up when being blocked- Breakage Prevention Device: activating when torsion spring breaking- Anti-Dropping Track: guide Wheel moves in to prevent horizontally dropping-Side protection track Optional device:-Photocell-Remote control-Loop detector  

transparent industrial door