We have two kinds of common insulation materials in life, XPS insulation board and polyurethane insulation board, the following together to learn more about these two insulation board. First, XPS insulation board XPS insulation board, which is based on polystyrene resin as raw materials plus other raw materials and aggregates, through the heat while mixing into the catalyst, and then extrusion extrusion molding and manufacturing of rigid foam board . Its scientific name is Insulated Extruded Polystyrene Foam (XPS), XPS has a perfect closed-cell honeycomb structure, this structure makes the XPS board has very low water absorption (almost no water), low thermal conductivity , High pressure resistance, anti-aging (normal use almost no aging decomposition phenomenon). Second, polyurethane insulation board 1, low thermal conductivity of rigid polyurethane board, thermal performance. When the rigid polyurethane bulk density of 35 ~ 40kg / m3, the thermal conductivity of only 0.018g ~ 0.023w / (m.k), equivalent to about half of EPS, is the lowest thermal conductivity of all insulation materials in a. 2, rigid polyurethane plate with moisture, water resistance. The rigid polyurethane closed cell rate of 90% or more, are hydrophobic materials,
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