Abstract:
The aim of this study is to analyze the optimal drying time of rubber wood (Hevea
brasiliensis) in direct drying in the sun and by a solar kiln (green house). This research is expected
to provide information on optimal drying time on natural drying directly under sunlight (solar
radiation) and with kiln (Green House) to prolong the utilization of wood and reduce the costs.
The parameters tested in this study are water content, density, drying rate, shrinkage, and color
change. The results on optimal drying of rubber wood at 6 weeks drying time either in drying
under direct sunlight or solar kiln in the green house.
Keywords: Wood Drying, Solar Kiln, Rubber wood, Hevea brasiliensis