4Nesar Merah. Natural weathering effects on some properties of CPVC pipe material.Journal of Materials Processing Technology. 2007, 191(13):198 201.
5Asbj?rn Haaning Nielsen,Jes Vollertsen, Henriette Stokbro Jensen, e.tc. Influence of pipe material, and surfaces on sulfide related odor and -orrosion in sewers. Water Research. 2008,42(15): 4206 - 4214.
6CA. Kerr, KS. Osborn, G.D. Robson, etc. The relationship between material and biofilm formation iournal of applied microbiology in a laboratory model system 1998, (85): 29S - 38S. pipe The.