EFFECTS OF BOARD DENSITY AND LAYERS COMPOSITION ON THE PHYSICAL AND MECHANICAL PROPERTIES OF OSB MANUFACTURED FROM CLONES OF Eucalyptus spp.
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Abstract
This work evaluated the effect of board density and layer compositions of OSB, manufactured with clones of Eucalyptus spp. The boards was manufactured with density of 0,70 and 0,90 g/cm³ and one layer composition (HO) and three cross layers composition (HE), using phenol-formaldehyde resin. The results showed that there was effect of the board composition on the MOE, MOR and in the parallel compression. The increase in the board density from 0.70 to 0.90 g/cm³ resulted in higher average values of MOE, MOR, internal bond and parallel compression. The woods of Eucalyptus spp clones showed to be technically feasible for Oriented Strand Board manufactures.
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