This tester is suitable for determining the flash point and ignition point of viscous petroleum asphalt, coal tar pitch, and liquid petroleum asphalt materials with a flash point above 79℃ by using the Cleveland open cup method. Its working principle is to load the sample into the Cleveland open cup and heat it at a specified heating rate. When the mixture gas formed by the sample vapor and the surrounding air contacts the flame and flashes, the lowest temperature is the flash point. Continue heating. When the sample contacts the flame and can continuously burn for not less than 5 seconds, the lowest temperature is the ignition point.

This tester usually has some characteristics. For example, a special heating furnace form is adopted to ensure the safety of the test. The heating power is continuously adjustable to meet the test requirements. The instrument is designed as a desktop structure with a stainless steel work surface and a heating furnace shell, which is beautiful and elegant. It provides an important testing means for the construction safety assessment of asphalt materials.