ASTM C302预制包覆管道用隔热材料密度和尺寸标准试验方法
日期:2012-02-13 17:33
he determination of the dimensions and density, after conditioning, of preformed pipe insulation.
1.1.1 Procedure A is applicable to sections of one-piece pipe covering or to sections of segmental pipe covering that can be joined together concentrically and measured as one-piece.
1.1.2 Procedure B is applicable to segmental pipe covering where each section of material is measured.
1.1.3 Procedure C is applicable to sections of one-piece pipe covering, such as soft foam or mineral wool materials,

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