Assertion: formaldehyde resin | /r/HasProperty | a class of impregnation resins
Facets:
value: for wood modification
type: PURPOSE
Source sentences:
text: Urea-formaldehyde resins (UF) are a class of impregnation resins for wood modification made by reacting urea with formaldehyde.
text: Melamine formaldehyde resins (MF) are a class of impregnation resins for wood modification that are made by reacting melamine with formaldehyde in a condensation of these two monomers.