PTMB antimicrobial additive is a nano silver and organic micro particle chemical based additive masterbatches that improve antimicrobial, fungal and bacterial properties even at low level of addition rate. It prevents or stops attacking microbial /fungicide /biocide/ bacteria on the surface of plastics products. It reduces the growth of microorganisms and helping to prevent unpleasant odors, discoloration, and surface degradation of plastic products.