The anti-static steel access panel is mainly used for large computer room, communication center, electrical control room, post and telecommunication center, in view of the loading capacity , it can be divided into light, medium, heavy and exrta-heavy type. they can withstand 700lbs, 1000lbs, 1250lbls individually. its size is 600mm and 610mm individually. according to the requirements of machine room, it can be divided into steel access panel filled with cementious and perforated panel. the later can be equipped with damper to adjust temperature and the amount of ventilation.