The unique Molecular structure of Cardanol, especially unsaturation of long Hydrocarbon side chain, makes the cross linking easy on Polymerization Besides the side chain imparting hydrophobic nature to the polymer, its coating is water repellent and weather resistant.Cardanol based resins posses an outstanding resistance to softening action of mineral oils and high resistance to acids & alkalies, antimicrobial property, termite and insect resistance etc.