ASTM C533 - 13

    Standard Specification for Calcium Silicate Block and Pipe Thermal Insulation

    Active Standard ASTM C533 | Developed by Subcommittee: C16.20

    Book of Standards Volume: 04.06


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    ASTM C533

    Abstract

    This specification covers calcium silicate block and pipe thermal insulation for use on surfaces. Thermal insulation shall be of the following types: Type I; Type IA; and Type II. Calcium silicate thermal insulation shall consist principally of hydrous calcium silicate usually with the incorporation of fibrous reinforcement. The insulation shall conform to the physical requirements specified. Following test methods shall be performed: block insulation; pipe insulation; apparent thermal conductivity; linear shrinkage after heat soaking; flexural strength; compressive strength; mass loss by tumbling; hot surface performance; surface burning characteristics; stress corrosion performance; and moisture content by dry weight.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers calcium silicate block and pipe thermal insulation for use on surfaces with temperatures between 80 and 1700°F (27 to 927°C), unless otherwise agreed upon between the manufacturer and the purchaser.

    1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.3 The following safety hazards caveat pertains only to the test method (Section 12) described in this specification: 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. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    C165 Test Method for Measuring Compressive Properties of Thermal Insulations

    C168 Terminology Relating to Thermal Insulation

    C177 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus

    C203 Test Methods for Breaking Load and Flexural Properties of Block-Type Thermal Insulation

    C302 Test Method for Density and Dimensions of Preformed Pipe-Covering-Type Thermal Insulation

    C303 Test Method for Dimensions and Density of Preformed Block and Board-Type Thermal Insulation

    C335 Test Method for Steady-State Heat Transfer Properties of Pipe Insulation

    C356 Test Method for Linear Shrinkage of Preformed High-Temperature Thermal Insulation Subjected to Soaking Heat

    C390 Practice for Sampling and Acceptance of Thermal Insulation Lots

    C411 Test Method for Hot-Surface Performance of High-Temperature Thermal Insulation

    C421 Test Method for Tumbling Friability of Preformed Block-Type and Preformed Pipe-Covering-Type Thermal Insulation

    C446 Test Method for Breaking Load and Calculated Modulus of Rupture of Preformed Insulation for Pipes

    C518 Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus

    C585 Practice for Inner and Outer Diameters of Thermal Insulation for Nominal Sizes of Pipe and Tubing

    C795 Specification for Thermal Insulation for Use in Contact with Austenitic Stainless Steel

    C870 Practice for Conditioning of Thermal Insulating Materials

    C1045 Practice for Calculating Thermal Transmission Properties Under Steady-State Conditions

    C1058 Practice for Selecting Temperatures for Evaluating and Reporting Thermal Properties of Thermal Insulation

    C1114 Test Method for Steady-State Thermal Transmission Properties by Means of the Thin-Heater Apparatus

    C1616 Test Method for Determining the Moisture Content of Organic and Inorganic Insulation Materials by Weight

    C1617 Practice for Quantitative Accelerated Laboratory Evaluation of Extraction Solutions Containing Ions Leached from Thermal Insulation on Aqueous Corrosion of Metals

    E84 Test Method for Surface Burning Characteristics of Building Materials

    E136 Test Method for Behavior of Materials in a Vertical Tube Furnace at 750C


    ICS Code

    ICS Number Code 91.100.60 (Thermal and sound insulating materials)

    UNSPSC Code

    UNSPSC Code 30141500(Thermal insulation)


    DOI: 10.1520/C0533-13

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