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Brief analysis hydroelectric renovation of pipe purchase
- Jun 27, 2016 -

Be sure to pay special attention to the following points:
A touch texture.
In General, rough particles are likely to mix the impurities.
Second, see color.
Pp-r pipe mainly lime green, consumers often think that white is the best, in fact, color is not to judge the quality of the standard.
Third is the smell.
Main material is polypropylene PP-r pipe, a good pipe has no smell, taste the difference, are likely to be blended PE, rather than polypropylene.
Four is pinched hard.
Pp-r pipe has a hardness, casually can pinch the deformation of the pipe, and certainly not the PP-r pipe.