Method for testing high-temperature sealing performance of refractory sealing material

The invention discloses a method for testing the high-temperature sealing performance of a refractory sealing material. The method comprises the following steps: (1) preparing a sample; (2) installing a sample to form a sealed test cavity; (3) heating the sample; (4) the sealed test cavity is vacuumized; (5) monitoring a negative pressure value; (6) adjusting the temperature of the sample, and monitoring a negative pressure value to obtain a test result; the method is simple and scientific, the sealing effect of the fireproof sealing material at different temperatures can be effectively tested in the whole process, the testing process can be monitored in real time, convenience and effectiveness are achieved, and a large amount of test data can be rapidly obtained through a single experiment. 本发明公开了一种耐火密封材料高温密封性能测试方法，包括以下步骤:（1）制备样品；（2）安装样品形成密封测试腔；（3）加热样品；（4）将密封测试腔抽至真空；（5）监测负压值；（6）调整样品的温度，监测负压值，得到测试结果；本方法简单科学，可以有效的全过程测试耐火密封材料在不同温度下的密封效果，测试过程可以实时监控，便捷有效，单次实验即能快速获得大量测试数据。