... ,050 x 1200 x 50/70mm2) Material: door leaf:0.7mm--1.0mm door frame:1.2mm--2.0mmFireproof quality hinges, locks,handles ... , installing bolts, plug pin (door closer and push-open ... -1 mm, the thickness of steel sheet of door frame is 1.5-2mm3. Door leaf thickness: 50mm, 70mm4. Infilling materials: rockwool, honeycomb ...