松脂经直接火或蒸气加工制得松香和松节油。松香是一种天然树脂,是各种树脂酸的混合物。随着工业生产和科学技术的发展,松香、松节油的工业用途不断扩大,因而其需要量日益增加。松节油是不可缺少的化工原料。松香共有四百多种用途,广泛用于造纸、橡胶、涂料、油墨、化工、塑料、肥皂、电器、农药、医药等工业部门。生产松香的国家有中国、美国、苏联、葡萄牙、西班牙、墨西哥、印度、瑞典、芬兰、英国、波兰、东德、日本、巴基斯坦、印尼、法国、希腊、挪威、土耳其、意大利、荷兰、西德、南斯拉夫、洪都拉斯、尼加拉瓜、菲律宾……等三十多个国家。出口松香、松节油的 Rosin and turpentine are made by direct fire or steam treatment of rosin. Rosin is a natural resin that is a mixture of various resin acids. With the development of industrial production and science and technology, the demand of rosin and turpentine for industrial use has been expanding constantly. Turpentine is an indispensable chemical raw materials. Rosin has more than 400 kinds of uses, widely used in papermaking, rubber, paint, ink, chemicals, plastics, soap, electrical appliances, pesticides, pharmaceuticals and other industrial sectors. The countries producing rosin are China, the United States, the Soviet Union, Portugal, Spain, Mexico, India, Sweden, Finland, Britain, Poland, East Germany, Japan, Pakistan, Indonesia, France, Greece, Norway, Turkey, Italy, the Netherlands, , Yugoslavia, Honduras, Nicaragua, the Philippines ... ... more than thirty countries. Export rosin, turpentine