Dimer Acid market is estimated to be valued at US$318.841 million in 2018 and is projected to grow at a significant rate during the forecast period.Dimer acids, also known as dimerized fatty acids, belong to the class of dicarboxylic acids, obtained by dimerizing unsaturated fatty acids. Dimer acids are non-toxic and have a yellow viscous transparent appearance. Dimer acids are predominantly used to make polyamide resins and hot melt adhesives.