• Title/Summary/Keyword: Eps foam

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The Back Side Temperature Variation According to Color of Sandwich Panel and Internal Core Material (샌드위치 패널의 외부 색상과 내부 심재에 따른 이면 온도 변화)

  • Park, Jun-Seo;Kim, Bong-Joo
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2023.11a
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    • pp.25-26
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    • 2023

  • The internal core material and external color of a sandwich panel have a significant impact on the performance of the sandwich panel. For use on roofs and walls, the internal core material and external color must be considered. Therefore, the surface and back side temperatures were measured for each exterior color and inner core material type. For the internal core materials, urethane foam and Expanded Poly Styrene(EPS), which are core materials mainly used in sandwich panels, were selected. As colors, black and ivory were selected according to brightness, and a total of five colors were selected: red, blue, and green, which are the three primary colors of light. As a result, there were differences in surface and temperature depending on the external color and type of internal core material. Regardless of the color, the temperature was measured lower for panels with urethane foam than for panels with an internal core of EPS. This is believed to have been influenced by the difference in thermal conductivity of urethane foam being 0.023W/(m·K) and that of EPS being 0.032W/(m·K). In addition, panels with a black exterior color were found to have higher surface and back temperatures than panels of other colors, and ivory-colored panels had lower back temperatures regardless of the core material. This is proportional to the brightness and light-absorbing characteristics.

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A Study on the Fire Characteristics of Sandwich Panels by ISO 9705 - Full-scale Room Test (ISO 9705 - Full-scale Room Test 시험방법을 이용한 샌드위치 패널의 화재 특성 연구)

  • Kweon, Oh-Sang;Yoo, Yong-Ho;Kim, Heung-Youl;Lee, Jeong-Il
    • Fire Science and Engineering
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    • v.23 no.6
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    • pp.39-45
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    • 2009

  • This paper studied on the fire characteristics of sandwich panels by ISO 9705 test (Full-scale room test). A comprehensive fire characteristics of sandwich panel was analyzed by applying the test result to the classification standard according to EN 13501-1 and Eurefic Research Program. Consequently, glass wool foam sandwich panel proved to be A class, incombustible - EPS Foam and incombustible - PUR Foam sandwich panels was class B. Also, EPS foam and PUR foam sandwich panels was class C because of flashover.

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