Abstract

The mechanical properties of rubberwood (Hevea brasiliensis) were determined using clear specimens cut from air dried logs (3X3X30 cm) derived from trees of girth 80-100 cm selected from a 35-yr-old plantation in the central region of Kerala. Values determined for 4 of the mechanical properties tested, viz. density, modulus of rupture (MOR), modulus of elasticity (MOE) and maximum compressive stress (MCS) were higher for the 35-yr-old material than those for [younger] material reported in the literature. These properties were comparable with those of other conventional timbers grown in Kerala, and showed that rubberwood possesses medium strength properties. Other properties reported for the 35-yr-old wood were moisture content and fibre stress at the limit of proportionality (FSLP)