Abstract
The combustion property is one of the important safety specification use to characterize the hazard potentials of a chemical material. Therefore, the accuracy information of thecombustion characteristics of hazardous substances is very important in developing appropriate the accident prevention and the protection in chemical industries. Most of combustible substances are the ones for which the discrepancy was noted between the experiment and the literature data of fire and explosion properties. This work measures the lower/upper flash points, fire points and autoignition temperature of vinyltoluene(VT), which is mainly used as a solvent and chemical intermediate in various applications including polyester resins, modifiers, heat-resistant strengthening agents, adhesives, and paper coatings. The lower/upper flash points of vinyltoluene by using Setaflash closed-cup were experimented at 47 ℃ and 102 ℃, respectively. The Pensky-Martens tester(CC) was experimented at 49 ℃. The flash points of vinyltoluene by the Tag and Cleveland open cup testers were experimented at 63 ℃ and 54 ℃, respectively. The AIT of vinyltoluene was experimented at 466 ℃. The LEL(lower explosion limit) and the UEL(upper explosion limit) by using Setaflash lower/upper flash point values were calculated as 0.86 vol% and 11.45 vol%, respectively.
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