TPT acts as a Lewis acid catalyst in processes such as esterification,. TPT Coating , se kvůli svému rozvoji rozhodla nahradit nevyhovující informační řešení . Polymer- Coated Urea Granule (PCU, TPT ). In particular it is tetra isopropyl titanate ( TPT ), which has a molecular weight of 2and. Release rate controlled by coating thickness ,. […]