NF T31-241*NF EN ISO 787-18:1995 General methods of test for pigments and extenders. Part 18 : determination of residue on sieve. Mechanical flushing procedure.
1995NF T31-241*NF EN ISO 787-18:1995 General methods of test for pigments and extenders. Part 18 : determination of residue on sieve. Mechanical flushing procedure.