Is vitrified clay pipes chemically resistant against all aggressive materials in sewage?
In the manufacturing process of vitrified clay pipe, the clay material particles are fused into an inert and chemically stable compound. It is capable of carrying a wide range of commercial, industrial and domestic sewage. In fact, it is chemically resistant against sulfuric acid induced by hydrogen sulfide. Moreover, it is reported to be unaffected by the presence of solvents. However, there are still some chemicals which are known to cause damage to vitrified clay pipe. For instance, vitrified clay pipe is not immune to attack by hydrofluoric acid and hot concentrated caustic wastes. This question is taken from book named – A Self Learning Manual – Mastering Different Fields of Civil Engineering Works (VC-Q-A-Method) by Vincent T. H. CHU.
