Klípa PPR túpan hefur töluverða hörku og auðvelt er að klípa hana í vansköpuð túpu, sem er örugglega ekki PPR túpa.
Touch Whether the texture is fine and the particles are uniform. At present, PPR tubes on the market mainly have several colors of white, gray and green. Generally, recycled plastics cannot be made into white, so consumers often think that white is the best. In fact, this view is rather one-sided. With the update and improvement of technology, color is not the standard for distinguishing the quality of PPR tubes. Whether the tube is good or bad, it seems that it can't solve the problem. If you touch it, the rough particles are likely to be mixed with other impurities.
Finndu lyktina. Aðalefnið í PPR pípunni er pólýprópýlen. Góðar pípur hafa enga lykt og slæmar hafa undarlega lykt. Líklegt er að það sé blandað saman við pólýetýlen í stað pólýprópýlen.
Burn It er mjög leiðandi og mjög gagnlegt. PPR pípur blandaðar við endurunnið plast og önnur óhreinindi í hráefnum munu gefa frá sér svartan reyk og hafa áberandi lykt; góð efni gefa ekki frá sér svartan reyk og lykt eftir brennslu og bráðni vökvinn verður enn mjög hreinn eftir brennslu.
A good PPR tube has good "resilience", and it is not a good PPR tube if it is too easy to smash. However, strong hardness does not mean good elasticity. Consumers will have doubts about PPR tubes that cannot be broken. Because some unscrupulous manufacturers increase the hardness of pipes by adding too much calcium carbonate and other impurities, such pipes are prone to brittle cracks after a long time.