This document provides information on chemical additives to improve starch and dextrin based adhesives. It describes several additive products like ECO C, DRY X, BOND T, BIOCIDE K-90, and BIOSCENT that can be added in small percentages to corrugation and pasting gum powders. These additives are said to improve drying, bonding strength, reduce foam, and prevent microbial growth. The document also provides instructions on dosages, advantages, and prices of these additive products.