T/CECS 10214-2022 Steel faced magnesium composite air duct

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB 702-1986 Hot-rolled round and square steels—Dimension, shape, weight and tolerance GB/T 702-2004 Hot-rolled round and square steel bars-Dimension,Shape,weight and tolerance GB/T 702-2008 Hot-rolled steel bars—Dimensions,shape,weight and tolerances GB/T 702-2017 Hot-rolled steel bars—Dimensions,shape,weight and tolerances GB/T 706-1988 Hot-rolled beam steel—Dimensions, shape, weight and tolerances GB/T 706-2008 Hot rolled section steel GB/T 706-2016 Hot rolled section steel GB/T 2518-1988 Continual hot-dip zinc-coated steel sheets and strips GB/T 2518-2004 Continuous hot-dip zinc-coated steel sheets and strips GB/T 2518-2008 Continuously hot-dip zinc-coated steel sheet and strip GB/T 2518-2019 Continuously hot-dip zinc and zinc alloy coated steel sheet and strip GB 8624-2012 Classification for burning behavior of building materials and products GB/T 10294-1988 Thermal insulation—Determination of steady-state thermal resistance and related properties—Guarded hot plate apparatus GB/T 10294-2008 Thermal insulation—Determination of steady-state thermal resistance and related properties—Guarded hot plate apparatus GB/T 12754-1991 Coloured paint coat steel plates and strips GB/T 12754-2006 Prepainted steel sheet GB/T 12754-2019 Prepainted steel sheet and strip GB/T 13350-2000 Glass wool and their products for thermal insulation GB/T 13350-2008 Glass wool and their products for thermal insulation GB/T 13350-2017 Glass wool and its products for thermal insulation GB/T 16400-1996 Aluminium silicate wool and their products for thermal insulation GB/T 16400-2003 Aluminium silicate wool and it's products for thermal insulation GB/T 16400-2015 Aluminium silicate wool and it's products for thermal insulation GB/T 16400-2023 Aluminosilicate wool and it’s products for thermal insulation GB 17428-1998 Fire resistance test method of ventilation ducts GB/T 17428-2009 Fire resistance test methods of ventilation ducts GB/T 19686-2005 Rock wool, slag wool thermal insulating products for building GB/T 19686-2015 Rock wool thermal insulation products for building applications GB/T 33544-2017 Glass fiber and magnesium cement board GB 50243-2016 Code of acceptance for construction quality of ventilation and air conditioning works HG/T 2680-2017 Industrial magnesium sulfate JC/T 449-2021 Magnesium-based cementing materials are used as raw materials JG/T 258-2018 Nonmetallic and foil-insulant composite air duct WB/T 1023-2005 Magnesite cement material modifiers WB/T 1036-2006 Glass fiber nets used for magnesite products JGJ 63-2006 Standard of water for concrete JGJ/T 141-2017 Technical specification for air duct GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 17428-2026 Fire resistance test for structural ducts