1 Reduction of viscosity with the increasing rate of shear and example 2 Increase viscosity or resistance to flow with increasing rate of shear and example

1 Pseudo - plastic or “Shear - thinning” ex. tragacanth, sodium alginate, methylcellulose and Na CMC, toothpaste 2 Dilatant Flow or “Shear - Thickening” ex. deflocculated suspension