MQK-21 D-F NEW MQK-21 D-F NEW Profile: MQ-21-D-F Length - L: 600 mm Surface finish: Hot-dip galvanized, 56 µm - ASTM A153 Features & Applications Features Serrated C-section edge Easy assembly and higher shear loads Dimension marking Pre-marked dimensions make installation, assembly and measurement easy Double channel, unslotted Applications Stand-alone use on ceilings, walls and floors or in conjunction with channel systems Recommended for installation in moist interiors, outdoor areas with little or no exposure to the weather and in ventilated facades Installation of cable trays, air ducts and pipe supports Recommended for use in interiors where humidity is high and in outdoor environments with a mild atmosphere