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PLYWOOD PRODUCTION FROM Eucalyptus grandis x Eucalyptus urophylla HYBRID CLONES WOOD

ABSTRACT

The objectives of this work was to evaluate the wood from Eucalyptus grandis x Eucalyptus urophylla hybrid clones for plywood production and to verify the effects of three factors of that process such as clone (I and II), glue spread (320 and 360 g/m2) and press time (8 and 12 minutes), on the physical and mechanical properties of the produced panels. The plywood from clone I revealed mechanical properties slightly superiors. There was no significant effect of the glue spread evaluated, being the smallest spread the most suitable for plywood bonding of both clones. The smallest press time was what it resulted in panels of larger dimensional stability, being the most suitable in the sheets press of the two clones. The results showed that the studied clones present high potential for general use plywood production. Eventually, if glued with phenolic resin, those plywood have potential for structural use (construction), as well as in the framework production.

Key words:
plywood; Eucalyptus; clones

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