SafeCurtain Curtain Wall Rock Wool Board

ABM® SafeCurtain Curtain Wall Rock Wool( SafeCurtain Series) is specially designed for curtain wall insulation systems. It has various excellent properties such as fire-resistant, thermal insulation, wind resistance, water repellency, breathability and sound absorption, etc.

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Product Type	SafeCurtain 55GTB	SafeCurtain 45GTB	SafeCurtain 35GTB
Nominal Density, kg/m³	55	45	35
Thickness, mm	≥40	≥50	≥60
Size(L×W), mm	1200x600

Properties	SafeCurtain 55GTB	SafeCurtain 45GTB	SafeCurtain 35GTB	Unit	Standard
Reaction to Fire	Class A2	Class A2	Class A2		GB 8624
Thermal Conductivity (25℃)	≤0.038	≤0.038	≤0.038	W/(m•K)	GB/T 10295
Acidity Coefficient	≥1.8	≥1.8	≥1.8		GB/T 5480
Water Vapor Wet Flow Density	≥5.0	≥5.0	≥5.0	g/m²·h	GB/T1037-1988
Short-term Water Absorption (partial immersion, 24h)	≤0.5	≤0.5	≤0.5	kg/m²	GB/T 25975-2010 AnnexB
Long-term Water Absorption (partial immersion, 28d)	≤2.0	≤2.0	≤2.0	kg/m²	GB/T 25975-2010 AnnexB
Mass Moisture Absorption Rate	≤0.2	≤0.2	≤0.2	%	GB/T 5480
Water Repellence	≥99.5	≥99.5	≥99.5	%	GB/T 10299
Water Absorption	≤2.0	≤2.0	≤2.0	%	GB/T 16401
Tensile Strength (transverse)	≥100	≥100	≥100	kPa	JG 144 AnnexA
Tensile Strength (longitudinal)	≥100	≥100	≥100	kPa	JG 144 AnnexA
Noise Reduction Coefficient (NRC)	≥0.6	≥0.6	≥0.6	---	GB/T 18696.1
Melting Temperature	≥1000	≥1000	≥1000	℃
Organic Content	≤2.5	≤2.5	≤2.5	%	GB/T 5480
Shot Content (particle size greater than 0.25mm)	≤8	≤8	≤8	%	GB/T 5480
Fiber Diameter	≤6	≤6	≤6	µm	GB/T 5480
Dimensional Stability	≤0.5	≤0.5	≤0.5	%	GB/T 8811
Flatness	≤5	≤5	≤5	mm	GB/T25975-2010 AnnexA
Straight Angle	≤5	≤5	≤5	mm/m	GB/T 5480
Thickness Deviation	+3 -1	+3 -1	+3 -1	mm	GB/T 5480
Water Impermeability of Protection Surface	2h, impervious			---	GB/T 328.10
Low Temperature Flexibility of Protection Surface	-40℃, 1h, no cracks			---	GB/T 328.14
Anti-UV of Protection Surface (4 months)	Longitudinal and transverse tension maintained above 80%			---	GB/T 328.9
Aging Resistance of Protection Surface (70℃, 7d)	Longitudinal and transverse tension maintained above 90%			---	GB/T 328.9

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