Recent news, now used in most household water pipes are plastic PPR pipes, PPR plastic pipe does not have any toxicity, but with the increased use of time, it is not self-cleaning function and bacteria, PPR plastic material become a gathering place for secondary pollution of water and bacteria, the serious threat to human health, and even bacteria than galvanized pipe also excessive, long-term use is tantamount to suicide. Is it?
For water management in Nanjing Sun Komaji told reporters, Nanjing pipe used for domestic water pipes vast majority of PE pipe, there are UPVC pipes and PPR pipe. From the material point of view, these types of materials are non-toxic. Degree of view from the inside surface is smooth, PE pipe, PPR pipe galvanized pipe geometric much better, less likely to form scum and also to a certain extent, can inhibit the aggregation and breeding of bacteria. Therefore, PPR pipe worse than the galvanized pipe is nonsense. Probability of aggregation of bacteria, for any kind of material for plastic pipe are similar.
Some netizens said that the family of the conditions, the proposed installation of plastic coated copper pipe (the price is slightly higher), or lined with copper pipe PPR (affordable), because copper has a very good sterilization function and self-cleaning function. Sun Ju governance and water supply experts believe that there is no need, this does not rule out the possibility that some people in order to sell your pipe and sensational.
Experts believe that tap water as long distance transportation, may be the end of pipeline residual chlorine concentration less susceptible to secondary pollution, but as long to boil drinking water, it is safe to drink