Fire Rating:
Class A, B, and C, with耐火 requirements of 1.5 hours for steel grade A fire doors, 1.0 hour for steel grade B fire doors, and 0.5 hour for steel grade C fire doors.
Application Scope:
The product is mainly used in workshops, exterior emergency staircases, electrical equipment rooms, elevator control rooms, computer rooms, and other civil and industrial building locations. It is commonly used for personnel passage and, in the event of a fire, can help prevent the spread of flames and the movement of burning smoke, while also serving as a sealing function.
