This part of GB/T 18856 specifies a method for measuring the apparent viscosity of coal-water slurry using a rotational viscometer with a coaxial cylinder measuring system. This section applies to all kinds of coal water slurry.
GB/T 18856.4-2002 history
2008GB/T 18856.4-2008 Test methods for coal water mixture.Part 4:Determination of apparent viscosity
2002GB/T 18856.4-2002 Test methods for quality of coal water mixture--Part 4: Determination of apparent viscosity of coal water mixture