This standard applies to the determination of the density and relative density of plastics other than foamed plastics. This standard includes five test methods.
GB/T 1033-1986 history
2008GB/T 1033.1-2008 Plastics.Methods for determining density of non-celluar plastics.Part1:Immersion method,liquid pyknometer method and titration method
1986GB/T 1033-1986 Test method for density and relative density of plastics