BYK, a member of the ALTANA Group, develops and manufactures specialty chemical additives that optimise both the production process and the quality of finished products. With production facilities in Germany, the Netherlands, the US, and China, and a global technical service network, BYK serves customers in more than 100 countries. The additive portfolio covers wetting, dispersing, rheology control, defoaming, surface modification, and processing — providing solutions for virtually every formulation challenge in liquid and powder coating systems, printing inks, adhesive formulations, and plastic compounds.