... -80mm 4High output What is XPS?XPS (extruded polystyrene) insulation board, is a new insulation material, which is a high quality ... materials, such as EPS, PU and Rock wool, XPS is improved in insulation, moistureproof, compressive strength, durability, convenient installation ... Certificate and low cost.As an ideal material, XPS is widely applied to heat preservation and insulation systems, ...