ULSAN, Korea – Songwon Industrial, a developer and manufacturer of polymer additives, will increase global prices of its Songnox® antioxidants, Songlight® and Songsorb® UV stabilizers, Songstab™ acid scavengers as well as of its range of aminic antioxidants. The increase is between eight and 15 percent effective on orders received on or after March 1, 2011, or as contracts allow.