Resin is described as a a vegetable substance secreted by a tree, also known as tree gum or sap, that appears to sweat or ooze from the bark of the tree which may be used as an adhesive or varnish.

Moreover, resin refers to a polymer synthesized from petroleum or natural gas derivatives. The two (2) kinds of resins are:

Thermoplastic Resins pertains to resins that can be melted or reprocessed without damaging or changing the chemical or physical properties of the polymer. Resins are highly malleable but become rigid when cooled.

Thermoset resins: - described as resins that tend to be rigid, infusible, and insoluble, and cannot be remelted and reformed.