Name: ASTM D 7990 : 2015
Brand: ASTM
Price: 55.10 GBP

ASTM D 7990 : 2015

Superseded

View Superseded by

Standard Test Method for Using Reflectance Spectra to Produce an Index of Temperature Rise in Polymeric Siding

Available format(s)

Hardcopy , PDF

Superseded date

06-05-2021

Language(s)

English

Published date

31-12-2015

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 08.03, 2016 Defines reflectance spectra from the ultraviolet, visible, and near infrared region to produce an index of the temperature rise of polymeric siding above ambient temperature that occurs due to absorption of the sun's energy.

1.1This test method uses reflectance spectra from the ultraviolet, visible, and near infrared region to produce an index of the temperature rise of polymeric siding above ambient temperature that occurs due to absorption of the sun’s energy.

1.2The test method determines the intensity factor of a sample color. The intensity factor is a function of the sample’s reflectance spectra and the energy output of the heat lamp used in the test method Test Method D4803.

1.3Appendix X1 provides a method for using the intensity factor to determine the maximum temperature rise of a sample under severe solar exposure.

1.3.1A correlation between intensity factor and heat buildup (temperature rise) as predicted by Test Method D4803 exists.

1.3.2The heat buildup (temperature rise) for a polymeric building product specimen is determined from its reflectance spectra and the correlation’s regression equation.

1.4Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5This 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.

Committee	D 20
DocumentType	Test Method
Pages	4
PublisherName	American Society for Testing and Materials
Status	Superseded
SupersededBy	ASTM D 7990 : 2021

ASTM D 4803 : 2018	Standard Test Method for Predicting Heat Buildup in PVC Building Products
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ASTM D 2244 : 2011	Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
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ASTM D 2244 : 2009 : REV B	Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
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ASTM D 4803 : 1997	Standard Test Method for Predicting Heat Buildup in PVC Building Products
ASTM D 2244 : 2016 : REDLINE	Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
ASTM D 2244 : 2014	Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
ASTM D 2244 : 2005	Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
ASTM E 1331 : 2004	Standard Test Method for Reflectance Factor and Color by Spectrophotometry Using Hemispherical Geometry
ASTM D 2244 : 2007	Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
ASTM E 1331 : 2009	Standard Test Method for Reflectance Factor and Color by Spectrophotometry Using Hemispherical Geometry
ASTM E 1331 : 2015 : R2019	Standard Test Method for Reflectance Factor and Color by Spectrophotometry Using Hemispherical Geometry
ASTM D 2244 : 2009 : REV A	Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
ASTM D 2244 : 1993 : R2000	Standard Test Method for Calculation of Color Differences From Instrumentally Measured Color Coordinates
ASTM E 1331 : 2015 : REDLINE	Standard Test Method for Reflectance Factor and Color by Spectrophotometry Using Hemispherical Geometry