Nadex 320 Dextrin Vinamul Polymers Vegetable-Based >> Dextrin ADHESIVE White Corn Dextrin Lowest viscosity of the NADEX 300 series. Provides better tack and greater stability. Usually formulated with Borax or salts to prolong shelf life at room temperature. When formulated in this manner, the viscosity changes and the dextrin is used at 40-50% solids. Borated adhesives with or without tapioca dextrins; formulated adhesives; gumming adhesives for trading stamps and labels. White corn dextrin with low viscosity. Provides good tack and greater stability. Used in borated adhesives with or without tapioca dextrins, formulated adhesives and gumming adhesives for trading stamps and labels.