Manufacturing of aluminum composite panels (ACP) using polytetrafluoroethylene (PTFE)/Teflon core material for fire resistance testing
Fabrikasi Alumunium Composite Panel (ACP) Menggunakan Material Inti Politetraflouoroetilena (PTFE)/Teflon Untuk Uji Ketahanan Api
DOI:
https://doi.org/10.21070/ups.12500Keywords:
Aluminum Composite Panel (ACP), PTFE, Fire Resistance, Mass Loss, Aluminum 5052Abstract
The use of conventional Aluminum Composite Panels (ACP) with Polyethylene (PE) cores poses a significant fire risk in high-rise buildings due to their low thermal stability. This study aims to fabricate and evaluate the fire resistance of ACP using Polytetrafluoroethylene (PTFE) as an alternative core material. Three specimens (B4, B5, and B6) were fabricated using Aluminum 5052 and PTFE core bonded with N 193 adhesive. The methodology involved direct fire exposure for 30 minutes, with temperature monitoring using a thermal gun and mass loss analysis. The results showed that the maximum surface temperature reached 320°C on specimen B5, which remains below the critical melting point of PTFE (327°C). Mass loss analysis indicated high stability with a very low percentage of shrinkage (under 0.5%). No flaming droplets were observed during the test, confirming that the PTFE core maintains structural integrity and provides superior fire safety compared to conventional ACP.
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