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标题:ASTM C578硬质多孔聚苯乙烯热绝缘材料标准规范
正文:
ASTM C578 Standard Specification for Rigid, Cellular Polystyrene Thermal InsulationASTM C578 硬质多孔聚苯乙烯热绝缘材料标准规范1. ASTM C578标准适用范围1.1 This specification covers the types, physical properties, and dimensions of cellular polystyrene boards with or without facings or coatings made by molding (EPS) or extrusion (XPS) of expandable polystyrene. Products manufactured to this specification are intended for use as thermal insulation for temperatures from -65 to +165°F (-53.9 to +73.9°C). This specification does not apply to laminated products manufactured with any type of rigid board facer including fiberboard, perlite board, gypsum board, or oriented strand board.1.1.1 For Type XIII only, this specification covers the physical properties, and dimensions of cellular polystyrene intended for use as thermal insulation for temperatures from ?297 to +165°F (?183 to +73.9°C).1.2 Consult the manufacturer for specific recommendations and properties in cryogenic conditions.1.2.1 This spe
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