Synonyms: Phenol-resorcinol-formaldehyde resins;Formaldehyde, polymer with 1,3-benzenediol and phenol;Phenol, resorcin, formaldehyde polymer;Phenol, resorcin, formaldehyde resin;Phenol,resorcin,formaldehyde polymer;Phenol,resorcin,formaldehyde resin;Resorcinol, formaldehyde, phenol polymer;phenol/ resorcinol/ formaldehyde resin