The supply of raw materials for the plywood industry is currently limited due to natural forest conditions that are no longer possible to meet. One of the efforts taken to meet the needs of raw materials is to find sources of raw materials derived from plantations, community forests or plantations such as Rubber and Sengon people are used as raw materials veneer core. Different types of raw material veneer core will produce different rendemen. This study aims to compare the yield of smallholder rubber wood and sengon in making veneer core in plywood industry PT. Ewan Superwood located in Riau Province and determine the factors that affect the yield.The population of this study is the rubber wood and sengon by taking samples of 60 stems consisting of 30 logs and 30 sengon random woods taken at random. The average value of veneer core yield derived fromÂ rubber wood is 66.63%. The average value of veneer core obtained from sengon wood is 74.65%. Factors affecting the yield of veneer cores on rubber wood are the condition of raw materials, diameter, synthetic and wood defects caused by the former lead. While on sengon wood is influenced by the existence of fragile eggs.
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