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UL Standards Steel Fire Shutter Door Galvanized Steel Fire Rated Doors Industrial Automatic Metal ...

26116.

UL Standards Steel Fire Shutter Door Galvanized Steel Fire Rated Doors Industrial Automatic Metal ... Open Details in New Window [Aug 05, 2026]

Newhb UL standard fire shutter door needs to be burning tested at high temperature for 180 minutes, and then impact the door body with a 310 kPa high-pressure water gun for 5 minutes to ensure that the door body will ...

Company: Newhb Rolling Door Co., Ltd.