NF T31-201*NF EN ISO 787-23:1995 General methods of tests for pigments and extenders. Part 23 : determination of density (using a centrifuge to remove entrained air).
1995NF T31-201*NF EN ISO 787-23:1995 General methods of tests for pigments and extenders. Part 23 : determination of density (using a centrifuge to remove entrained air).