How To Identify The Quality Of PVC Pipes?

(1) First look at the surface finish and whiteness.
(2) Take the sample and smash it. Those that break easily are usually high-calcium products. Of course, it must meet your requirements and the price is right.
(3) Take the sample and step on the edge of the pipe with your feet to see if it can crack or the elongation at break after cracking.
(4) Weather resistance is quite troublesome. The most direct way is to store it in a high-temperature and high-gloss place for a few days to see the surface change rate, but this is too time-consuming. Just focus on the first 3 items.