Struktol Company of America, LLC is a member of the Schill+Seilacher group, with representation in over 100 countries around the world. Struktol Company of America's approach to the rubber and plastic additives business is by no means typical or ordinary. Chemistry is at the heart of everything we do. Providing Intelligent Additive Solutions, Struktol Specialty Additives are designed to meet the challenges and exacting demands of its customers.