2-Furaldehyde, polymer with formaldehyde and urea 2-Furancarboxaldehyde, polymer with formaldehyde and urea Formaldehyde-furfural-urea copolymer Formaldehyde-furfural-urea polymer Formaldehyde-furfural-urea resin Formaldehyde, polymer with 2-furancarboxaldehyde and urea Furfural-formaldehyde-urea resin Furfural-urea-formaldehyde copolymer Heptol 80C Karbafur Z 1B MFF-M Poly(urea-formaldehyde-furfural) Urea condensation products, with formaldehyde and 2-furaldehyde Urea-formaldehyde-furfural copolymer Urea-formaldehyde-furfural polymer Urea-formaldehyde-furfural resin Urea, polymer with formaldehyde and 2-furancarboxaldehyde