Extruded sintered polystyrene insulating panels for thermal insulation systems. ETA 10/0025 TECHNICAL DATA: Composition: sintered expanded polystyrene. Colour: white. Thickness available cm: 4, 5, 6, 8 and 10. Dimensions of panel cm: 100 x 50. Packaging: from 3 to 7.5 m² (according to the thickness).