Industry news

Your current location:Home -> news -> Industry news

Tube How to choose? How to determine the quality of the pipe

Source:     Time:2015-07-01
Home improvement projects, pipe how to buy? How to determine the quality of the pipe is good or bad? Enlist now brought together purchase and distinguish the quality of the pipe Cheats, help your love home decor!
      First, a touch texture. Generally, coarse particles are likely to blend the impurities.
      Second, it is to look at color. PP-R pipes are mainly lime green several, consumers tend to believe that white is the best, in fact, color is not judged good or bad quality standards.
      Third, it is to smell the smell. PP-R pipe main material is polypropylene pipes does not smell good, smell the difference there is likely to be blended polyethylene, polypropylene instead.
     Fourth, it is pinched hardness. PP-R pipe has a considerable hardness, casually can squeeze tube deformation, certainly not the PP-R pipe. Fifth, it is smashing elasticity. Good PP-R pipe, good elasticity, easy smash naturally not a good PP-R pipe. But hardness is strong does not mean good elasticity, some manufacturers by adding too much calcium carbonate and other impurities to improve the hardness, how are smashing is not broken, with a long easy to crack.
     Six, is a burning smell. Raw materials are mixed with recycled plastic and other impurities in PP-R pipe will be black smoke, pungent odor. And after the good material does not burn black smoke, no smell, after burning, melting out of the liquid is still very clean.