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Journal of Korean Institute of Fire Science and Engineering 2003;17(4):36-41.
Published online December 31, 2003.
난연도료의 도포 두께별 연소특성에 관한 연구
김홍, 박형주
1호서대학교 안전시스템공학과2호서대학교 대학원 안전공학과
A Study on Combustion Characteristics in each Coating Thickness of Fire Retardant Paints
Kim Hong, Park Hyung-Ju
요약
본 연구에서는 지하공동구 및 트레이에 설치된 케이블의 화재시 화염전파를 막기 위해 사용되고 있는 수성 및 유성계 난연도료의 도포 두께별 연소특성을 파악하기 위해 연기밀도(ASTM E 662)와 산소지수 (ASTM D 2863) 시험법을 이용하여 실험을 수행하였다. 본 연구 결과, 난연도료의 연소특성은 다음과 같다. (a) 난연도료의 최적 두께는 수성계의 경우 1.5∼2mm, 유성계의 경우 0.2mm 것으로 나타났다. (b) 연기밀도는 Non-flaming방식보다 Flaming방식에서 더 높게 나타났다. (c) 연기밀도와 산소지수를 측정한 결과 수성계 난연도료가 유성계 난연도료 보다 연소특성이 우수한 것으로 나타났다. (d)수성 및 유성계 난연도료의 산소지수가 규격(30이상)에 만족함을 알 수 있었다.
Abstract
This experimental study shows the combustion characteristics for each coating thickness of water and oil paint which are used as fire retardant paints that prevent fire propagation through cables in underground culverts and trays. To evaluate combustion characteristics, smoke density(ASTM E 662) and Limited Oxygen Index(ASTM D 2863) experiment method was used. As the results of this study, the combustion characteristics of fire retardant paints produced the following : (a) The molt suitable coating thickness of fire retardant paint was 1.5∼2.0 mm in water paint and 0.2 mm in oil paint. (b) Flaming method in experiments of smoke density were found to be higher than Non-flaming method. (c) Water paint has the fire retardant effect and characteristics better than oil paint in measurement results of smoke density and oxygen index. (d) The oxygen index of water and oil fire retardant was able to know that it was satisfied a standard (30 or above).
Key Words: Smoke density, LOI(Limited Oxygen Index), Fire retardant paints, Coating thickness, Cable, PVC(Polyvinyl chloride)


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