what is phenolic resin
Definition of PHENOLIC RESIN. : any of various usually thermosetting resins of high mechanical strength and electrical resistance that are made by condensation of a phenol with an aldehyde (as formaldehyde), are characterized generally by resistance to water, acids, and organic solvents, and are used especially in molded, cast, or laminated ....efinition of PHENOLIC RESIN. : any of various usually thermosetting resins of high mechanical strength and electrical resistance that are made by condensation of a phenol with an aldehyde (as formaldehyde), are characterized generally by resistance to water, acids, and organic solvents, and are used especially in molded, cast, or laminated ....