This standard applies to the determination of the solid content of coatings, that is, the ratio of the weight of the residue after the coating is heated and baked at a certain temperature to the weight of the sample, expressed as a percentage.
GB/T 1725-1979 history
2007GB/T 1725-2007 Paints,varnishes and plastics.Determination of non-volatile-matter content
1979GB/T 1725-1979 Methods of test for non-volatile matter of varnishes,paints and their vehicles