Fire Protection Performance and Thermal Behavior of Thin Film Intumescent Coating
Source abstract
Abstract
This paper presents the heat release characteristics, char formation and fire protection performance of thin-film intumescent coatings that integrate eggshell (ES) as an innovative and renewable flame-retardant bio-filler. A cone calorimeter was used to determine the thermal behavior of the samples in the condensed phase in line with the ISO 5660-1 standard. The fire resistance of the coatings was evaluated using a Bunsen burner test to examine the equilibrium temperature and formation of the char layer. The fire propagation test was also conducted according to BS 476: Part 6. On exposure, the samples X, Y, and Z were qualified to be Class 0 materials due to the indexes of fire propagation being below 12. Samples Y and Z reinforced with 3.50 wt.% and 2.50 wt.% of ES bio-filler, respectively, showed a significant improvement in reducing the heat release rate, providing a more uniform and thicker char layer. As a result, the addition of bio-filler content has proven to be efficient in stopping the fire propagation as well as reducing the total heat released and equilibrium temperature of the intumescent coatings.
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Research context
OpenAlex topics: Flame retardant materials and properties · Fire dynamics and safety research · Thermal and Kinetic Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Architecture and Sustainable Design, Lee Kong Chian Faculty of Engineering Science, University of Tunku Abdul Rahman, Cheras, 43000 Kajang, Malaysia
Department of Mechanical and Material Engineering, Lee Kong Chian Faculty of Engineering and Science, University of Tunku Abdul Rahman, Cheras, 43000 Kajang, Malaysia
Department of Civil Engineering, Lee Kong Chian Faculty of Engineering and Science, University of Tunku Abdul Rahman, Cheras, 43000 Kajang, Malaysia
Funding
University of Tunku Abdul Rahman Research Funding (UTARRF)
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