This standard specifies the particle size determination of powdered detergents by mechanical sieve sieving. This standard applies to synthetic washing powder, soap powder and other powder and granular products.
GB 12030-1989 history
2021GB/T 13173-2021 Surface active agents—Test methods for detergents
2008GB/T 13173-2008 Surface active agents.Detergents.Testing methods
1989GB 12030-1989 Determination of Particle Size of Powdered Detergents
GB 12030-1989 Determination of Particle Size of Powdered Detergents was changed to GB/T 13173-2008 Surface active agents.Detergents.Testing methods.