Finger jointing of eucalyptus hybrid using two common adhesives

In this paper, an attempt was made to assess the effectiveness of utilising short sections of Eucalyptus hybrid through finger jointing using two common adhesives. The study was based on the estimation of Modulus of elasticity (MoE) and Modulus of Rupture (MoR) of jointed sections under static bending and comparing them with the values measured for clear wood sections from the same wood. For joining the sections, the Poly Vinyl Acetate (PVAc) and Urea Formaldehyde (UF) adhesives were used. It was found that the MoE of the sections joined by either adhesive remain unaffected compared to that of unjointed clear wood sections. The MoR values of jointed sections were lesser than that of controls. Sections jointed through PVAc adhesive exhibited lower MoR. But both the adhesives were able to retain the bending strength by 52 % to 65 %. The study demonstrates the utility of finger jointing of Eucalyptus wood sections for structural purposes especially with the UF adhesive.