ASTM C302预制包覆管道用隔热材料密度和尺寸的标准试验方法

ASTM C302-13 Standard Test Method for Density and Dimensions of Preformed Pipe-Covering-Type Thermal Insulation
ASTM C302-13 预制包覆管道用隔热材料密度和尺寸的标准试验方法

1.ASTM C302标准适用范围

1.1 This test method covers the 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, where it is possible to penetrate the material.

1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2.ASTM C302参考标准

ASTM C167 Test Methods for Thickness and Density of Blanket or Batt Thermal Insulations
ASTM C168 Terminology Relating to Thermal Insulation
ASTM C670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials
ASTM C870 Practice for Conditioning of Thermal Insulating Materials
ASTM E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

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 来源：防火网　发布时间：12/10/2015 点击次数：2352