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UL 10C door lock factory

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  • What Is UL 10C Certification and Why Does It Matter for Fire-Rated Door Locks?
    UL 10C is an American standard for positive pressure fire tests of door assemblies, including the locks installed within them. A UL 10C certified door lock has been independently verified to maintain its structural and functional integrity under realistic fire conditions — including the pressurized
    2026-07-28
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