African Applied Chemical (AAC) is a biotechnology company based at the Innovation Hub in Pretoria. We specialize in the manufacture of high-value products utilizing our proprietary Bi-Ko™ slow-release technology. The Bi-Ko™ slow-release technology was developed through collaboration with the University of Pretoria Department of Chemical Engineering, the University of Pretoria Institute for Sustainable Malaria Control (UPISMC), and The Institute for Polymer Research in Germany.
“My skin was burning but I was shivering with cold. I was so scared-scared that this time it may just kill me or, if not, drive me mad.”
I was eight years old and suffering from a repeat bout of malaria.
At African Applied Chemical (Pty) Ltd, we aim to revolutionize the advanced polymer technology industry through innovative solutions. We specialize in manufacturing proprietary slow-release textile yarns, specifically Bi-Ko™, designed to enhance the effectiveness and efficiency of high-value actives.
At African Applied Chemical (Pty) Ltd, our vision is to become a global leader in slow-release technology, transforming how high-value actives are utilized across industries. We strive to set new standards in sustainability and efficiency through our pioneering Bi-Ko™ slow-release yarn.


