PPR Tube Quality Identification

The real PPR pipe shall comply with the standards of GB/T18742-2002<< plastic piping systems for hot and cold water --PP second "part of the pipe fittings shall conform to the requirements of the GB/T18742-2002 --PP plastic piping systems for hot and cold water pipe, the third part; the performance of pseudo PPR pipes and pipe fittings is not through the standard. It should be pointed out that the life span of the pseudo PPR tube is only 1-5 years, and the real life of the PPR tube is over 50 years.