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nature : by containing amino compounds and formaldehyde condensation derived by the name of resin. The important urea - formaldehyde resin, melamine formaldehyde resin and aniline formaldehyde resin. Generally made of aqueous or ethanol solution. Also into powder dry solids. Most hard and brittle with time needed to fill. The system for coatings, adhesives, plastics or tanned, and used fabric, paper antifelting Anti-crease treatment.
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