1.foam board.XPS is an extruded polystyrene insulation manufacturedthrough a plastic extrusion process. The resulting boardsare almost 100% closed cell, strong, highly moistureresistant and easy to cut and shape.2.1 Technical data sheet of the XPS foam boardDensityKg/m336~40Thermal conductivity, 90 days, 10°CW/mK0.027~0.03Compressive strength at 10% deflection or yield, (vertical)kPa≥300Tensile strengthkPa≥300Water absorptionVol-%<=1.00%CapillaritynilnilCoefficient of linear thermal expansionmm/mK0.07Temperature limits°C-50°C, +75°C
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