Common media for bubble test bench

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 Bubble test bench is an important equipment used to test the pore size and filtration performance of filter cartridges or media. The commonly used media in the testing process mainly include isopropanol and industrial alcohol.
Isopropanol is an organic compound with excellent solubility and volatility, which can quickly penetrate into the porous structure of filter materials or filters, ensuring that the gas can be smoothly discharged from the wet pores during testing. At the same time, isopropanol has stable chemical properties and is not prone to chemical reactions with filter materials or filters, thereby ensuring the accuracy of test results. In addition, isopropanol has relatively low toxicity and minimal harm to the environment and human health, making it widely used in practical applications.

Industrial alcohol is also a commonly used bubble test medium, which has similar solubility and volatility to isopropanol, and can effectively soak filter materials or filters, allowing their porous structures to fully infiltrate. Industrial alcohol has a relatively low cost and is easy to obtain, so it is also a good choice in some testing scenarios that have certain cost requirements. However, it should be noted that the purity of industrial alcohol may vary depending on the manufacturer and batch, so sufficient testing and screening are required before use to ensure that it meets testing requirements.
In summary, the commonly used media for bubble test benches, isopropanol and industrial alcohol, have their own characteristics, and should be selected according to specific needs and testing conditions in practical applications. At the same time, in order to ensure the accuracy and reliability of the test results, it is also necessary to pay attention to factors such as the purity and stability of the medium.