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 GB Class B1 Class B2 extruded plate extruded plate and flame retardant extruded board election co-America Building Materials 
 Styrofoam into the expansion of EPS and continuity out of XPS are two, compared with EPS Panel, XPS board is the third generation of rigid foam insulation material from the process to overcome the complexity of the production process of the EPS board, EPS board can not be replaced superior performance. Class B1 Class B2 extruded plate extruded plate polystyrene resins and other additives manufactured by the extrusion process has a continuous and uniform surface and a sheet of closed-cell honeycomb structure, the honeycomb structure of the slab will not voids, this closed-cell structure of the insulation materials have different pressures (150-500Kpa) at the same time has the same low thermal conductivity (0.028W/MK) and unfailing good insulation and compressive properties, Class B1 Class B2 extruded plate extrusion plate compressive strength of up to 220-500Kpa. The mechanical properties of EPS can not compare, addition, because the continuity of extrusion due to the close of the closed cell structure. Its density, water absorption, thermal conductivity and steam penetration are lower than other types of plates, is acknowledged as the best insulation materials. 
 XPS insulation board is extruded polystyrene insulation insulation board, Class B2 B1 grade extruded plate extruded plate is a polystyrene resin as raw materials with other raw materials and poly-containing material, injected at the same time by heating the mixed catalyst, and then extruded pressure molding and manufacture of rigid foam board. its scientific name for thermal insulation extruded polystyrene foam (referred to as XPS), XPS, has a perfect closed-cell cellular structure, the B1 level of extruded plate B2 this structure of grade extruded board XPS board has very low water absorption (almost non-absorbent), low thermal conductivity, high compressive strength, aging resistance (normal use almost no aging of decomposition phenomena). 
 GB Class B1 Class B2 extruded plate extruded plate and flame retardant extruded board election co-America Building Materials 
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