The full name of penetrant (JFC) is fatty alcohol polyoxyethylene ether, which is a non-ionic surfactant. Penetrant, as the name suggests, plays a role in osmosis, and it is also a substance with fixed hydrophilic and lipophilic groups, which can be oriented on the surface of the solution and can significantly reduce the surface tension.
concept
The broad concept of penetrant refers to a class of chemicals that can help the substance to be penetrated into the substance to be penetrated. In industry, surfactants (which can be anionic or non-ionic) or organic or inorganic solvents are generally used.
