The resin is a material that is typically very sticky, however, it can also be extremely vicious. In most cases, it comes from a plant, but it can go from its synthetic state into becoming a polymer. You will probably be seen this when looking at trees with resin coming out of them. Some people refer to this as sap. Resin bonding refers to when this type of material is applied to a solid surface. If you have done work . . .