Assessment of the Fire Risk and Thermal Resistance of Tyres

Abstract:

The paper assessed the fire risk of the summer tyres marks Kormoran on the base of thermogravimetric analysis complemented by the analysis and determination of the carbon monoxide (CO) concentration in the decomposition products. Thermogravimetric analysis was performed in an atmosphere of air with flow rate of 4 l/min. During the thermal analysis, the samples were loaded with temperatures from 20 to 550 °C, in the first case by rate of heating 5 °C/min and in second case by 10°C/min. The results of thermal analysis shown that the thermal decomposition of the samples at a heating rate of 5 °C/min started at 320 °C and from the temperature of 370 °C thermal decomposition pass intensively. At a heating rate of 10 °C/min, thermal decomposition of the samples started at 360 °C, from the temperature of 420 °C thermal decomposition pass intensively. The measured concentrations of CO in combustion gases showed that the thermal decomposition of tyres is accompanied by a significant release of gas. The results also shown that the thermal decomposition of the investigated tyres coupled with the release of CO starts at temperatures around 320 °C. That temperature cannot be considered as safe in the medium and long-term exposure.

• Periodical: Advanced Materials Research (Volumes 805-806)
• Pages: 1771-1774
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.805-806.1771
• Online since: September 2013
• Authors: Marek Rybakowski, Grzegorz Dudarski, Alena Očkajová, Ján Stebila
• Keywords: Burning of Tyres, Combustion Products of Tyres, Fire Characteristics of Tyres, Fire Risk of Tyres, Thermal Degradation of Tyres, Thermogravimetric Analysis (TGA)

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