Estudio de los índices de inflamabilidad en materiales interiores isotrópicos, utilizados en la construcción de vehículos para el transporte de pasajeros, para el Laboratorio de Investigación Mecánica LIM - UTA

Abstract

It is important to note that, due to the high demand for the construction of vehicles for the transportation of people, there are more and more international standards to be met in order to safeguard the physical integrity of the occupants by increasing the level of safety in the event of fire. This research work determined the behavior of isotropic materials used in the construction of vehicles for passenger transportation, subjected to flammability tests according to ISO 3795. The origin of this work has a bibliographic-experimental model whose sample is a series of test tubes with different materials (corosil pranna, expanded polystyrene, flexible seat sponge and polypropylene copolymer) for testing. The test specimens were first formed as specified in Iso Standard 3795 and then placed in a conditioning chamber at a temperature of 22.4 degrees Celsius and a humidity of 48.9 percent for a period of 28 hours, and then tested in a horizontal flammability chamber. The results show that the aforementioned materials have the same characteristics in the flammability test, regardless of the orientation of their fibers. Therefore, it was concluded that the isotropic materials are considered self-extinguishing.