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GLUING OF PARTICLEBOARDS WITH UREA-FORMALDEHYDE RESIN MODIFIELD WITH TANNIN FROM Eucalyptus pellita F. Muell. BARK

ABSTRACT

This work had the objective to evaluate the utilization of tannin from Eucalyptus pellita bark to particleboards production by gluing with urea-formaldehyde (UF) resin. The resins were testet second the particleboards properties. The particleboards were produced with UF and UF modifield with 10 % and 20 % of tannin. These results showed to be possible to use the tannin toward gluing of particleboard. The properties of the particleboards are according to the Wood Particleboard Commercial Standart CS-236-66

Key words
: tannin; urea-formaldehyde; wood particleboards

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