Using the principle of

Tape is composed ofBase materialandbinderTwo parts that join two or more disjointed objects together by bonding. The surface is coated with a layer of adhesive. The earliest adhesives came from animals and plants. In the 19th century, rubber was the main ingredient of adhesives. But modern use all sorts of widelypolymer. Adhesives hold things together because of the bonds that form between the molecules themselves and the molecules that hold them together. Adhesive ingredients, according to different brands, different types, there are a variety of different polymers.

classification