The new Material Data Center from M-Base GmbH, in Aachen, Germany, is a comprehensive internet portal for plastics. It includes a material database, which contains the complete content of the CAMPUS database and more; also an application database, a tradename directory for plastics and several tools to support designers. The material database includes single point data, as well as graphical information (multipoint data). For both categories extensive tools for navigation and search are available, like generation of tables, search for substitute materials, zoom and print functions (e.g. based on pdf -formats). Material Data Center also offers calculation programs for bending cases, snapfits, flow length and cooling times, as well as an unit converter. In short: Material Data Center offers any useful function needed by engineers during material selection and design. Special versions with interfaces for different CAE systems are also available on request. Registered users have free access to all datasheets, as well as to the tradename directory. The extended version with search and sort functions is available against a small annual fee. Free temporary demonstration access and order forms are available at www.materialdatacenter.com