一层肉眼见不到的薄膜,能出色防止金属生锈。它是一种有机化合物(阻化剂),不溶于水,在摄氏350度的温度下也不被破坏。把阻化剂加入水或蒸汽中,沿着管道运动,随之而沉积,并形成单分子薄膜,贴附于金属表面。同时,它还能清洗已生锈的管道,每吨蒸汽只消耗半克这种物质。 A layer of naked eye can not see the film, can prevent metal rust. It is an organic compound (retarder) that is insoluble in water and is not destroyed at 350 degrees Celsius. Put the retarding agent into water or steam, move along the pipeline, and then deposit, forming a monomolecular film attached to the metal surface. At the same time, it can also clean rusty pipes, consuming only half a gram of this substance per tonne of steam.