CMC is natural hydrophilic substance. SMC powder swells and dissolves in water.
Methods to accelerate dissolving speed:
Slowly adding of CMC under stirring
Adding CMC under heating condition but not for super high temperature, better no higher than 60℃
For mixing use with other material, solid mixing first and then dissolve
Disperse in organic solvent soluble with water, as, ethyl alcohol, glycerol and propylene glycol