On May 30, 1928 in Britain and the United States to apply, drew developed a very light, a pressure of the adhesive, the initial attempt was not sticky enough, and the first one was told: "Take this thing back to your Scottish bosses, to put more glue!" "(" Scotland "means" stingy ") but during the Great Depression, people found hundreds of uses for the tape, from mending clothes to protecting the broken eggs.
Why can tape stick? Of course it is because it is coated with a layer of adhesive on the surface of the relationship! The earliest adhesives came from animals and plants, and in the 19th century rubber was the main ingredient in adhesives, while modern polymers were widely used. Sticky agent can stick to things, is due to its own molecules and to connect the elements of the formation of bonds between the molecules, this bond can be firmly bonded together. Adhesive ingredients, depending on the different label, different kinds of different polymers.