Family business Mold-Masters is a world-leading supplier of specialty components to the plastics industry, with clients in over 40 countries. Its core product is hot runners - a high-value component in the plastic injection molding process. Mold-Masters has an unrivalled reputation for technological excellence, and has registered over 1,600 patents. 3i's investment will be used to accelerate growth in Asia, Eastern Europe and Latin America, including acquisitions where relevant.