栓皮栎是壳斗科栎属的高大乔木树种,是最重要的经济树种和用材树种之一。它的树皮(栓皮),也叫软木,具有比重小、弹性好、浮力大,不透水、不透气,耐酸、耐碱,绝缘,保温、隔音及不易与化学药品起反应的优点。经过加工可制成软木砖,软木纸等多种制品,用于医药、食品、建筑等方面,是国家不可缺的重要原料。 Quercus variabilis is a tall tree species of the genus Quercus, which is one of the most important economic tree species and timber species. Its bark (cork), also known as cork, has the advantages of small specific gravity, good elasticity, large buoyancy, imperviousness, airtightness, acid resistance, alkali resistance, insulation, thermal insulation, sound insulation and easy reaction with chemicals. After processing can be made of cork tiles, cork paper and other products for medicine, food, construction, etc., is an important national raw materials.