The tape is coated with a layer of adhesive in order to make the tape can stick to the items, the earliest adhesive from animals and plants, in the nineteenth century, rubber is the main component of adhesives; and modern is widely used in a variety of polymers. Adhesives can stick things, because of their own molecules and want to connect objects between the molecules to form a bond, this bond can be firmly bonded together molecules. Adhesive ingredients, depending on the brand, different types, have a variety of different polymers.