This standard is applicable to the determination of water absorption of insulating paint film, that is, the sample is immersed in distilled water maintained at a certain temperature, and after a certain period of time, it is expressed by the percentage of its weight increase.
GB/T 1738-1979 history
1979GB/T 1738-1979 Method for determination of water absorption of insulating paint film
GB/T 1738-1979 Method for determination of water absorption of insulating paint film was changed to HG/T 3856-2006 Determination of water absorption rate of insullac films.