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Rock wool board:length:1000,1200mmwidth:600,630mmthickness:25-200,mmdensity:40-210kg/m3Thermal insulationrock wool board is a board product with certain strength. The product is mainly used for fireproofing and sound absorption of partition walls and curtain walls, thermal insulation of roofs, retaining structures and geothermal systems as well as thermal insulation and fireproofing of industrial kilns, ovens, large sized tanks and vessels, etcProperties ofrock wool boardPropertiesValueShot content (particle diameter ≥ 0.25mm), %≤ 10.0Average fiber diameter, μm≤ 7.0Density tolerance, %+10, -10Thermal conductivity coefficient (average temperature: 70±52), W/(m. K)≤ 0.039Thermal load contraction temperature (products with density above 60kg/m3), ≥ 720Moisture content, %≤0.5Combustion propertyNon-combustible(A class)Organic material content, %≤ 4.0Remarks:special sizes and density may be made according to customers' requirements