1 Industrial chemicals; Chemical preparations for use in industry; Chemicals for cleaning in industry; Chemicals for cleaning and purifying plastic processing equipment, machinery, and parts thereof; Chemicals for cleaning and purifying equipment, machinery and parts thereof for processing plastic; Chemicals for use in plastic industry; Chemicals and chemical preparations for use in the preparation, maintenance, and cleaning of molding, tooling and equipment and plastics processing equipment, machinery and parts thereof; Chemical purging preparations for use in machinery and equipment and parts thereof; Chemical preparations for the elimination of coloring and contaminants in machinery and equipment and parts thereof, and the internal parts of molds; Chemical purging preparations to assist in more effective changes of materials to be processed in thermoplastics molding and processing machinery and the internal parts of molds; Purging compounds for cleaning and preventative maintenance of plastics processing equipment, machinery and parts thereof used in thermoplastic processing, molding and manufacturing