How to distinguish the quality of PVC pipe

(1) Look at the surface finish and whiteness first.

(2) Take the sample to fall, the person who is easy to break is generally a high-calcium product. Of course, it is ok to meet your requirements.

(3) Take the sample with the foot on the side of the pipe to see if it can crack, or the elongation at break after cracking.

(4) The weather resistance is very troublesome. The most direct way is to take a few days to get the high temperature and high light, to see the surface change rate, but it is a waste of time. Mainly look at the first three items just fine.

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