1)  First touch the surface of the pipe by hand, to experience the texture is delicate, the particles is uniform. On the market today, PPR pipes mainly white, gray, green in several colors, under normal circumstances, recycled plastic can not make a white, so many people tend to believe that white is the best, in fact, this view is one-sided. As technology improved, the color is not to identify the quality standards ofPPR pipes.

 

2)  Nose close to the pipe near the smell whether the smell. PPR pipe material is polypropylene, a good pipe is no odor, and bad some of the smell, it may be in polypropylene blending sake of polyethylene, so the smell of the pipe is best not to election.

 

3)  Quality PPR pipe has a certain hardness, Nie Yinie with your fingers, feel rather hard, not easily deformed. Seemingly good flexibility,easily deformed tube, or quality problems, or it is not PPR pipe.