Since 1967 Colloids has had an outstanding reputation for supplying high quality masterbatches/concentrates for use in the thermoplastics industry. The company has grown both organically and through acquisitions to become a major name in the masterbatch/concentrates market. It now has more than 160 employees, factories in the UK and China, and an annual turnover of more than 45 million. In 2001 Colloids UK moved to a new purpose built facility to meet the continued international expansion of the business. In 2004 Colloids became part of the Tosaf Group of companies, one of the plastic industry's leading multinational suppliers of masterbatch/concentrates. In 2016 Colloids opened Colloids Plastic (Suzhou) Co, Ltd., a new masterbatch manufacturing plant located in Changshu, China. Colloids, accredited to ISO/TS 16949, continually delivers improved performance with regard to both service and products. This is supported by our highly skilled R&D team who develop new, innovative and technical formulations through the use of our extensively equipped research laboratory. Colloids takes its social responsibilities relating to Health & Safety and the Environment very seriously, with a rigorous Health and Safety Management System.