Exit Emergency Metal Ul Fire Proof Heat Resistance Steel Door on China WDMA Built-in Blinds Allowable Frequency

Allowable Frequency

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Exit Emergency Metal Ul Fire Proof Heat Resistance Steel Door on China WDMA Built-in Blinds Allowable FrequencyProducts Description Exit Emergency Metal Ul Fire Proof Heat Resistance Steel Door Product Name UL Fire rated steel door Fire rating 60mints 90mints 180mints Material Galvanized Steel cold roll steel Leaf thickness 45mm 50mm Leaf theet thickness 0. 8mm 1. 0mm 1. 2mm Frame theet thickness 1. 4mm Surface treatment Poweder coated Certification UL BS EN CN Applications Residential Commercial Satandard size 900 1200 1600mm*2100mm Color Many color for