👉 Col fluid, also known as colloid fluid, is a type of suspension where particles are dispersed in a continuous medium at the molecular or ionic level, remaining suspended indefinitely without settling. This unique suspension is characterized by particles ranging from 1 to 1000 nanometers in size, which are smaller than those in a true solution but larger than those in a colloid. The stability of col fluid arises from the strong intermolecular forces between particles and the continuous medium, preventing them from settling out. This property makes col fluid useful in various applications, including paints, inks, and certain food products, where consistent texture and appearance are desired.