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Fire lock kit & Hinge pad
Fire lock kit: Used to cushion and enclose the part of the fireproof lock core within the door, preventing the fire and heat from spreading through the weak sections of the lock, thereby losing the integrity of the fireproof door.
Fireproof hinge pad: Positioned behind the fireproof door hinge, connecting the fireproof sealing strip that was cut off due to the installation of the hinge, preventing the heat and flames from passing through this weak section, thus losing the integrity of the fireproof door.