BYK stands for the globally successful Division Additives & Instruments of the ALTANA Group. It includes the additives made by BYK-Chemie and the instrument business of BYK-Gardner. Around the world, the additives of BYK ensure that coatings and plastics obtain precisely the desired properties and the correct quality. Applied in very small quantities they improve the quality, production and pro cessability of coatings and plastics. As the optical appearance of surfaces becomes increasingly sign...