... size:5100x2440mm Min size:300x200mm Fire resistant glass doorMonolithic Cesium-Kalium fire resistant glassOur factory is outstandingly ... etc. The insulation of a Class A fire-resistant glass, fire insulation is good, transparent, a thickness of 15 mm, ... 18mm, 19mm, 20mm, 23mm, 25mm, 26mm, 32mm, 36mm, 42mm, fire ...