The Surface Treatment global business unit of BASF's Coatings division, operating under the Chemetall brand, is a leading supplier of applied surface treatment technologies for metal, plastic, and glass substrates. Chemetall offers integrated cleaning and defoaming agents for plastic and PET which optimize the quality, productivity and safety of plastic recycling processes in a water and material saving manner. Plastic flakes processed with Chemetall technologies meet the strictest quality regulations, compatible with the requirements of the food industry. The products Gardoclean®, Gardobond® additive, Gardo®Pure, and Gardofloc® offer the highest standards for washing and wastewater treatment.