Polyurethane foam panel with 45kg/m3 density,20mm thinckness,coated on both sides with 80/60 micron thick aluminium foil.The aluminium foil is embossed on one side(the other side with smooth alu foil) and couple with a 2 g/m2 layer of corrosion-resistant polyester paints.This panel is especially suited for use in Clean rooms air-conditioning and heating system installations.