Hot glue sticks are made by combining polymers and additives. The molten mixture is then shaped, cooled, and cut to size. The polymers and additives are combined when heated - the substance is molten. It flows down long tubes through...Read MoreThe post How are hot glue sticks made? appeared first on Glue Sticks, Guns, Dots & Hot Melt Adhesives UK | Glue Guns Direct.