常温下输送柴油、汽油、润滑油等矿物油类。内胶层为黑色，外胶层可选用黑色或红、黄、兰等多种浅色耐油胶料。
Conveyance of diesel,gasoline,lubricants and mineral oil etc. under normal tempeerature.
The tube is black in color and the cover is black, red,yellow and blue in cove r etc.and oil resistant.