Plasticizers are a key component in flexible PVC formulations. This report provides analysis of the chemistry, technology and economics of aromatic and aliphatic plasticizers. Plasticizer markets are reviewed, with a focus on industry trends and development of non-phthalate plasticizers. Types of aromatic plasticizers discussed include phthalates, terephthalates, trimellitates and benzoates. Types of aliphatic plasticizers discussed include cycloaliphatics, adipates, polymerics, citrates, fatty acid esters, glycerides and epoxidized soybean oil.