... 45 minutes, 60 minutes, 90 minutes Certificate: CE, UL, Steel fire rated door1. Certificate: American standard UL (ANSI/10B, ANSI/10C ... 0mm, Galvanized steel Thermal insulation: ceramic fiber board All-round fire and smoke prevention expansion seal (on 4 sides)4. ... steel hinge (optional)10. Lock: Panic bar exit device with lever handle Fire-resistant mortise lock with profile cylinder, keys & lever ...