用途：输送浓度不高于40%的酸碱溶液。                       

 结构：内胶层为黑色合成胶；骨架层为一层或两层高强力纤维；外胶层可选用黑色或红、黄、蓝等多种浅色耐酸碱胶料。     使用温度：-20℃～+45℃（-4℉～+113℉）                                                              

Application for transmission of sulphuric acid with concentration no more than 40%,hydrochioric acid with concentration no more than 15%(except nitric acid).                      

Structure The inner synthetic tube is black synthetic rubber,the framework is high tenacity fiber,and the synthetic rubber cover can be black,red,yellow,blue or light color acid-alkali-resistant glue stocks.                                          Working temperature    -20℃～+45℃（-4℉～+113℉）