HOUSTON, Jan. 31, 2018 /PRNewswire/ -- Kraton Corporation (KRA), a leading global producer of styrenic block copolymers, specialty polymers, and high-value performance products derived from pine wood pulping co-products, announces a general price increase of 10-15% for Tall Oil Fatty Acids (TOFA), Tall Oil Rosin (TOR), Rosin Esters and other derivatives. Subject to the terms of any applicable contracts, this price increase will take effect March 1, 2018.