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沒有橡膠,在今天人民的生活中是不能想象的。今天,国民經济中的各个部門都需要用橡膠制品来裝备,橡膠工業所制造出来的各式各样的用品,总計大約在三万种以上。橡膠有天然生产的,也有用化学方法人工合成的。我国海南島等地区所栽培的巴西橡膠树,是最重要的橡膠植物。此外还有新疆等地的橡膠草和华南、西南一帶栽培的印度榕树,也是出橡膠的。我国还有一种特产的杜仲树,以出产硬橡膠而著名。硬橡膠也叫做固塔膠,膠的硬度很强,对于电的传导性很低,因此可以利用它作为海底电纜的絕緣材料;而且不会傳热,可以作为镶补牙齿的材料和抵抗藥剂腐蝕的容器或其他的日用品。
Without rubber, it is unthinkable in the lives of today’s people. Today, all sectors of the national economy need to be equipped with rubber products. The rubber industry produces a wide range of products, totaling about 30,000 or more. Rubber is naturally produced and synthetically chemically synthesized. The rubber trees cultivated in Hainan Island and other regions of China are the most important rubber plants. In addition, there are rubber grasses in Xinjiang and other places, and Indian banyan trees cultivated in southern China and southwest China. They are also rubberized. Our country also has a special product of eucommia ulmoides, famous for its hard rubber production. Hard rubber is also called solid tower glue. Its hardness is very strong and its conductivity to electricity is very low. Therefore, it can be used as an insulating material for submarine cables; it does not transfer heat, and it can be used as a material for filling teeth and a counteracting agent. Corrosive containers or other daily necessities.