Is paint Newtonian fluid

Paint is generally considered a non-Newtonian fluid, specifically a shear-thinning or pseudoplastic fluid. This means its viscosity decreases when subjected to shear stress, such as when it is mixed or applied with a brush or roller. In contrast, Newtonian fluids maintain a constant viscosity regardless of the shear rate. Therefore, paint behaves differently from Newtonian fluids under varying conditions.