Smoke and fire control enclosure
This flexible fire‑resistant membrane‑encased metal ventilation duct system has passed the national GB/T 17428‑2009 test method for fire resistance of ventilation ducts and meets the 1.0‑hour and 1.5‑hour fire‑resistance requirements (integrity and insulation), thereby satisfying the design criteria for building smoke control and exhaust systems.
Refractory mortar is a novel masonry material formulated by blending powdered materials of the same grade as the bricks being laid, along with binders, moisture-retaining agents, additives, and composite admixtures, all selected to match the temperature rating of the masonry bricks.
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A professional manufacturer dedicated to the fields of refractory materials, thermal insulation, fire protection, and heat insulation.
Address: Zhujiiazhuang Village, Nanma Subdistrict, Yiyuan County, Zibo City, Shandong Province
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