XPS boards have perfect closed-cell honeycomb structure. This structure makes XPS boards lower than other types of plate insulation materials in water absorption, thermal conductivity and vapor permeability. Therefore, XPS boards have the characteristics of high pressure resistance, light weight, impermeability, corrosion resistance and non-degradation. XPS board is a very common thermal insulation material in European and American countries, especially suitable for the use of upside-down roofing insulation system, cold storage, wall insulation inside and outside, home decoration and so on. This product is suitable for roofing insulation layer regardless of heat insulation effect, construction simplicity, total cost, service life and other advantages than the traditional perlite, for new environmental protection and energy-saving materials, is currently the preferred building decoration industry materials.
The thermal conductivity of XPS / extruded sheet is less than or equal to 0.028w/mk, which is much lower than other thermal insulation materials, so it has the characteristics of high thermal resistance and low linear expansion rate. It is generally suitable for roof insulation system, freezer, wall insulation inside and outside the insulation, the effect is unparalleled.
