ASTM-C578 2012(Redline)

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C578-12a Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation (Redline)

Published By	Publication Date	Number of Pages
ASTM	2012	8

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Category: ASTM

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Description

Abstract

This specification covers the standards for 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 proposed for use as thermal insulation. This specification, however, does not cover laminated products manufactured with any type of rigid board facer including fiberboard, perlite board, gypsum board, or oriented strand board. All thermal insulation shall be of uniform density and shall contain sufficient flame retardants to meet the oxygen index of requirements. They shall also meet the physical requirements such as thermal resistance, compressive resistance, flexural strength, water vapor permeance, water absorption, dimensional stability, and oxygen index specified herein.

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 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 specification does not cover cryogenic properties except for the k-factors for Type XIII in Appendix X1. For Type XIII in specific cryogenic applications, the manufacturer and purchaser shall agree upon the actual temperature limits and physical property requirements in addition to the k-factors in Appendix X1.

1.3 The use of thermal insulation materials covered by this specification may be regulated by building codes that address fire performance. For some end uses, specifiers should also address the effect of moisture and wind pressure resistance. Guidelines regarding these end use considerations are included in Appendix X1.

1.4 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.

1.5 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 C272 Test Method for Water Absorption of Core Materials for Structural Sandwich Constructions 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 C390 Practice for Sampling and Acceptance of Thermal Insulation Lots C518 Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus C550 Test Method for Measuring Trueness and Squareness of Rigid Block and Board Thermal Insulation 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 C1303 Test Method for Predicting Long-Term Thermal Resistance of Closed-Cell Foam Insulation C1363 Test Method for Thermal Performance of Building Materials and Envelope Assemblies by Means of a Hot Box Apparatus D1600 Terminology for Abbreviated Terms Relating to Plastics

Additional information

Standard Title	C578-12a Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation (Redline)
Published Code	ASTM
Publication Date	2012
Pages Count	8

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ASTM-C578 2012(Redline)

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