我国凝缩类优质栲胶原料,长期以来,主要依靠野生资源。经过多年的采集,资源日益减少。栲胶的供销缺口越来越大,影响了轻工业,特别是制革工业的发展。建立凝缩类栲胶原料基地,已成为燃眉之急。黑荆树(Acacia mearnsii de Wild)生长迅速,伐期短,树皮单宁含量40％以上,是优质凝缩类栲胶原料。目前,我国进口的斑马、象牌等优质凝缩类栲胶都是用其皮制成。黑荆树材质坚硬,有韧性,纹理细,可做家具、建 China’s high-quality condensate gel material, for a long time, mainly rely on wild resources. After years of collection, the resources have been declining. The growing gap between the supply and the marketing of gums has affected the development of the light industry, especially the tannery industry. The establishment of condensate base 栲 plastic material base, has become a pressing matter of the moment. Acacia mearnsii de Wild grows rapidly with short cutting period and more than 40% tannin content. At present, China’s imports of zebra, elephants and other high-quality condensate gel is made from its skin. Black Jing Jing material hard, toughness, fine texture, can do furniture, built