... Properties of rock wool boardPropertiesValueShot content (particle diameter ≥ 0.25mm), %≤ 12.0Average fiber diameter, μm≤ 7.0Density tolerance, ... %+15, -15Thermal conductivity coefficient (average temperature: 70±52), W/(m. K)≤ 0 ... density above 60kg/m3), ≥ 600Moisture content, %≤0.5Combustion propertyNon-combustible(A class)Organic material content, ...