How many kinds of materials are extruded polystyrene foam boards?
It is made from polystyrene resin as raw material and other raw materials and polymer content, by heating mixed with catalyst, rigid foam board and plastic extrusion molding and manufacturing. Its scientific name is insulatedwith extruded polystyrene foam (XPS), XPS has a closed cell cellular structure perfect, this structure allows the XPS board a rather low water absorption (almost no water absorption), low thermal conductivity, high compressive strength, ageing resistance (normal use almost no aging decomposition phenomenon).
Polystyrene as the original heat preservation material has two kinds, one is the Extrusion board, and the other is polystyrene board, the most used is the Extrusion board, polystyrene board has not much use, flame retardant performance to less than B1 class,
