BIOTREND® ZP + is a industrial preservative containing the active ingredient Zinc Pyrithione. Zinc Pyrithione is used to prevent microbial degradation and deterioration of manufacturing starting materials such as plastics, polymers, and latexes, and in a wide range of finished articles made from these starting materials. The chemical acts to prevent the growth of bacteria, fungi, mildew, and algae that can cause various types of deterioration such as discoloration, staining, odors, etc.