The technology of manufacturing semi-finished products and plastic products by various methods is described - extrusion, injection molding, pressing, etc. It is shown how the choice of polymers and optimal molding technology, as well as taking into account operating conditions, affect the properties of the resulting material and its performance characteristics. Data on the components of plastic masses and methods of preparation of compositions for processing. Designed for students studying the course "Basics of plastics processing", can be useful to engineering and technical workers of the plastics processing industry, employees of research institutes and design organizations . Foreword by .