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About This Item
Full Description
1.1 This practice presents a laboratory guide to determine the thermal resistance of loose-fill building insulations at mean temperatures between -20 and 55°C (-4 to 131°F).
1.2 This practice applies to a wide variety of loose-fill thermal insulation products including fibrous glass, rock/slag wool, or cellulosic fiber materials; granular types including vermiculite and perlite; pelletized products; and any other insulation material installed pneumatically or poured in place. It does not apply to products that change their character after installation either by chemical reaction or the application of binders or adhesives, nor does it consider the effects of structures, containments, facings, or air films.
1.3 Since this practice is designed for reproducible product comparison, it measures the thermal resistance of an insulation material which has been preconditioned to a relatively dry state. Consideration of changes of thermal performance of a hygroscopic insulation by sorption of water is beyond the scope of this practice.
1.4 The sample preparation techniques outlined in this practice do not cover the characterization of loose-fill materials intended for enclosed applications. For those applications, a separate sample preparation technique that simulates the installed condition will be required. However, even for those applications, some other aspects of this practice are applicable.
Document History
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ASTM C687-18
Standard Practice for Determination of Thermal Resistance of Loose-Fill Building Insulation- Most Recent
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ASTM C687-17
Standard Practice for Determination of Thermal Resistance of Loose-Fill Building Insulation- Historical Version
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ASTM C687-17
Standard Practice for Determination of Thermal Resistance of Loose-Fill Building Insulation- Historical Version
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ASTM C687-12
viewing
Standard Practice for Determination of Thermal Resistance of Loose-Fill Building Insulation- Historical Version
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ASTM C687-07
Standard Practice for Determination of Thermal Resistance of Loose-Fill Building Insulation- Historical Version
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ASTM C687-05
Standard Practice for Determination of Thermal Resistance of Loose-Fill Building Insulation- Historical Version
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ASTM C687-02
Standard Practice for Determination of Thermal Resistance of Loose-Fill Building Insulation- Historical Version
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ASTM C687-96
Standard Practice for Determination of Thermal Resistance of Loose-Fill Building Insulation- Historical Version