In the asphalt experiment, special attention should be paid to the cleaning of molds and equipment after the experiment. Our laboratory mainly studies the modification and anti-aging of asphalt, and does not make too many mixtures. After the four major performance tests of asphalt are completed, the test mold is generally boiled with hot diesel, and the residual asphalt on the mold is cleaned by the mutual dissolution of organic matter. Therefore, you must pay attention to fire prevention during the cleaning process! ! (Because open flame heating is too dangerous, our research group uses an induction cooker, but the container must be closed during the heating process to reduce the area of ​​contact with the air)

The cleaning of the asphalt container can be scrubbed with slightly hot diesel, but when the subsequent experiments are more concerned about the softening point data (such as waterproof modified asphalt, etc.), the heated asphalt tank must be wiped with newspaper. Since there must be residual asphalt inside the asphalt tank after use, the temperature rises rapidly after the asphalt tank is heated, and you will find that the tank will emit yellow smoke. This is asphalt smoke, which is relatively toxic, and ordinary masks, even ordinary N95 masks, have poor protection against asphalt smoke (N95 masks have poor protection against oily gases). It is recommended to use 3M 8246CN masks or masks with protection against oily gases;
In the asphalt experiment, it is best to prepare a set of old clothes. Because you will find that after a few days of experiment, your clothes will be stained with black spots. In summer, you must wear long pants for experiments.
Clean the experimental instruments in time after each experiment, on the one hand to keep the laboratory clean, and on the other hand to prevent the residue from affecting the results of the next experiment. It is difficult to clean it after years of accumulation.