ASTM-C1668:2013 Edition

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C1668-13a Standard Specification for Externally Applied Reflective Insulation Systems on Rigid Duct in Heating, Ventilation, and Air Conditioning (HVAC) Systems

Published By	Publication Date	Number of Pages
ASTM	2013	4

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Categories: 91.140.30 - Ventilation and air-conditioning systems, ASTM

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Description

ASTM C1668-13a

Historical Standard: Standard Specification for Externally Applied Reflective Insulation Systems on Rigid Duct in Heating, Ventilation, and Air Conditioning (HVAC) Systems

ASTM C1668

Scope

1.1 This specification covers the requirements and physical properties of reflective insulation systems applied externally to Rigid Heating, Ventilation, and Air Conditioning (HVAC) duct systems operating at or below 250ºF (121.1 °C). These insulation systems consist of one or more low-emittance surfaces, such as metallic foil or metallic deposits, mounted on substrates to produce reflective air spaces. Reflective insulation systems derive thermal performance from surfaces with an emittance of no greater than 0.1 facing enclosed air spaces.

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 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.

Keywords

duct insulation; emittance; HVAC (heating, ventilation, air-conditioning); reflective air spaces; reflective insulation; reflective insulation spacers; reflective insulation system; R-value; thermal resistance

ICS Code

ICS Number Code 91.140.30 (Ventilation and air-conditioning systems)

DOI: 10.1520/C1668-13A

Additional information

Standard Title	C1668-13a Standard Specification for Externally Applied Reflective Insulation Systems on Rigid Duct in Heating, Ventilation, and Air Conditioning (HVAC) Systems
Published Code	ASTM
Publication Date	2013
Pages Count	4
ICS Codes	91.140.30 - Ventilation and air-conditioning systems