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Test Method determines temperature rise in plastic siding.
Press Release Summary:
Jan 20, 2016 - D7990, Test Method for Using Reflectance Spectra to Produce an Index of Temperature Rise in Polymeric Siding will help evaluate potential for elevated temperature in plastic siding based on color. Standard produces index of relative degree of heat absorption of color system, which is a non-dimensional intensity factor. Specifically, test method uses reflectance spectra from UV, visible, and near-IR rays to create index of temperature rise that occurs due to siding absorbing sun’s energy.
Original Press Release
New ASTM Test Method Helps Determine Temperature Rise in Plastic Siding Based on Color
Press release date: Jan 13, 2016
While another ASTM standard (D4803, Test Method for Predicting Heat Buildup in PVC Building Products) is currently being used to do this, the new standard will provide a faster and less expensive alternative.
Rather than directly evaluating temperature rise, the new standard (D7990, Test Method for Using Reflectance Spectra to Produce an Index of Temperature Rise in Polymeric Siding) produces an index of the relative degree of heat absorption of the color system, which is a non-dimensional intensity factor.
Specifically, the test method uses reflectance spectra from ultraviolet, visible and near-infrared rays to create an index of the temperature rise that occurs due to the siding absorbing the sun’s energy.
Siding manufacturers and color producers will use the new standard to evaluate temperature rise of current and proposed colors. The siding covered in the standard includes vinyl and polypropylene products.
To purchase standards, visit www.astm.org and search by the standard designation, or contact ASTM Customer Relations (tel +1.877.909.ASTM; email@example.com). ASTM welcomes participation in the development of its standards. Become a member at www.astm.org/JOIN.
For more news in this sector, visit www.astm.org/sn-construction.
ASTM Committee D20 on Plastics Next Meeting: April 10-13, 2016, April Committee Week, San Antonio, Texas
Media Inquiries: Nathan Osburn, tel +1.610.832.9603; firstname.lastname@example.org
Technical Contact: David Johnston, Vinyl Siding Institute, Washington, D.C., tel +1.202.587.5102; email@example.com
ASTM Staff Contact: Alyson Fick, tel +1.610.832.9710; firstname.lastname@example.org
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