MKLM-01 Inorganic Fireproof Roller Shutter It is made of the fire-resistant materials,the mudsill is movable and easy to install.Characterized by light weight, simple installation,being unneeded to be protected by water curtain and convenient for fleeing for life and flame-insulation,etc, it is widely used in supermarket, emporium, exhibit hall, underground garage, recreation area and other places. It is certified by GB14102-2005 FIREPROOF ROLLER SHUTTER STANDARD OF CHINA Inorganic fireproof roller shutter is classified into: norganic superfine fireproof roller shutter Inorganic common fireproof roller shutter Inorganic superfine fireproof roller shutter: Fire endurance>=4h Unexposed surface temperature rise<=140 celsious Don't need to be protected by water curtain Inorganic common fireproof roller shutter Fire endurance>=3h Light weight Don't need to be protected by water curtain